Alternatives to gpg4o
Compare gpg4o alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to gpg4o in 2026. Compare features, ratings, user reviews, pricing, and more from gpg4o competitors and alternatives in order to make an informed decision for your business.
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1
Proton Mail
Proton AG
Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required. -
2
PoliteMail
PoliteMail Software
Gain Outlook email intelligence, not overload. To measure and improve internal Outlook email broadcasts to employees, corporate communicators send PoliteMail. PoliteMail Software adds email analytics, responsive HTML design, and list management tools to the enterprise email program you already know how to use, Microsoft Outlook and Exchange. PoliteMail makes it easy to create impressive, highly readable corporate communications, with advanced analytics to enable you to discover the email employees actually read, with key metrics to help you improve results over time. PoliteMail offers the ability to not only compose, design and send – but also provides meaningful metrics that will help you to determine the best strategy for all your internal comms needs and all without leaving the familiar interface of Outlook! -
3
NeoCertified Secure Email
NeoCertified
NeoCertified protects sensitive information through our secure email application across our versatile Cloud-based platform on any web browser, through Microsoft Office 365/Outlook plug-ins, and Gmail integration. iPhone + Android mobile apps are also available directly on your mobile devices. We have provided federally compliant, secure email solutions since 2002, and have helped businesses send and receive secure emails on any web browser or mobile device. NeoCertified also works across all email providers to give businesses the flexibility and assured protection they desire and deserve.Starting Price: $99.00/year/user -
4
Zivver
Zivver
Zivver is the effortless, smart, secure digital communications platform powering the next generation of secure digital communications. Trusted by over 5,000 organizations globally, Zivver prevents data leaks caused by human error and ensures compliance. Zivver seamlessly integrates with all major email clients including Gmail, Outlook, and Microsoft 365 and features unparalleled zero-keys encryption, with smart features such as contextual machine learning powered business rules. Zivver allows anyone to share large files up to 5TB securely via their existing email client. Zivver is fully compliant with all leading data security standards, including ISO 27001, NTA 7516, GDPR, HIPAA.Starting Price: 0.99€/month/user -
5
SysBud OST to PST Converter
SysBud Software
SysBud OST to PST Converter is the most specialized software, that quickly recovers corrupted and inaccessible OST files and exports them to Outlook PST format. The simple GUI interface of this solution helps all users to easily export multiple OST files into PST format. It provides 100% safe and secure results without any changes in data items, meta properties, folder hierarchy, and HTML formatting. The best advantage of this utility is that it is compatible with all the editions of Microsoft Outlook, so users can easily import the converted PST file into Outlook 2019, 2016, 2013, 2010, 2007, and other editions. The software can be swiftly installed on any Windows OS supported system.Starting Price: $49/per license/2 users -
6
Zook OST to PST Converter
ZOOK Software
Get one of the best OST to PST Converters to batch export offline Outlook data (.ost) files into PST format for Outlook. With this tool, you can easily convert OST files into PST format along with embedded data items such as email, contacts, calendars, tasks, notes, custom folders, predefined folders, etc. After the successful conversion, you can directly import OST to Outlook 2019, 2016, 2013, 2010, 2007, etc. without any trouble. It is a hassle-free solution to export multiple OST files into PST format for Outlook without any problems. ZOOK OST to PST Converter does not require any installation of Microsoft Outlook in the system. It easily converts OST to PST without Outlook and permits you to import OST to Outlook. This OST to PST software is an independent utility that successfully export OST to Outlook without losing any data. ZOOK OST to PST Converter allows users to convert OST to PST format along with all the data items.Starting Price: $49 one-time fee -
7
PBHS SecureMail
PBHS
Achieve and maintain data privacy compliance. PBHS Secure Mail is a mature HIPAA encrypted messaging solution for doctors, dentists, hospitals and other healthcare providers. Compliancy made easy! There is no software to install, configure or maintain. PBHS Secure Mail works on any device, from any location. It’s simple to share. Documents, Radiographs, CT Scans, and Messages are organized and available to all colleagues working on a case. Account initiation is as simple as logging in with your ADA Membership ID. Our optional Outlook Plug-in enables users to send and receive messages directly via Microsoft Outlook on your PC. Treatment Letters and private communications that are delivered from your practice management software to Outlook are now encrypted. Radiographs that are delivered from your digital x-ray systems to Outlook are now encrypted. No need to change how you email your colleagues and patients. Continue to use Outlook without violating HIPAA.Starting Price: $10 per month per account -
8
QuickMigrations Apple Mail to Outlook
QuickMigrations Software
Convert Apple Mail to Outlook PST format using a best and prominent solution provided by QuickMigrations Software. It import Apple Mail inbox, draft, sent items, Notes folder emails into Outlook PST. The Apple Mail to Outlook converter is developed using advanced technical tactics which makes a user task simple and secure. It exports data from MAC Mail to Outlook and keeps data integrity safe and maintains the folder structure of the Apple Mail email database. It provides 100% data conversion accuracy and supports all the inline images of Mac Mail into PST format. The software has several features which are listed below: Import Apple Mail to Outlook completely at once in a few clicks. Provides various PST export options to save a PST file. Maintain HTML formatting of Apple Mail Emails. Support Single and Bulk Apple to Outlook conversion. The tool supports Windows 10, 8.1, 8, 7 and all previous version of OS. Compatible with Outlook 2019, 2016, 2013, 2010, and earlier editions.Starting Price: $39 -
9
KDETools Outlook PST Converter
KDETools
Outlook PST Converter tool is a reliable tool to convert Outlook PST file data. This software converts PST file into MBOX and other file formats like MSG, EML, EMLX, HTML, PDF, etc. You can separately export your contacts and calendar by choosing the VCARD and VCAL option. PST converter also maintains Meta properties such as (to, cc, bcc, subject, from & attachment) and no data will be change after the conversion process. This software also imports PST file into Office 365 and Live Exchange server. There is no file size limitation to convert the PST file. This Outlook data file converter also previews and display item after completing the scanning process. Risk-free conversion of all items such as emails, contacts, calendar, task, etc. This software also converts password protected file. KDETools PST Converter tool supports all latest versions of Windows and Microsoft Outlook 2019, 2016, 2013, 2010, 2007, etc.Starting Price: $29 -
10
CI-Sign
ci solution
CI Sign: Email signatures for Outlook and Outlook Web App. CI-Sign is our award-winning solution for client-side e-mail signatures. For over 5000 companies, CI-Sign is the first choice for managing corporate email signatures for Microsoft Outlook and OWA. Professional, consistent and Corporate Identity compliant email signatures throughout the company. Time and cost savings through centralized management. Increased revenue by adding promotional banners and utilizing email signatures as an additional marketing channel. Confidence, that emails comply with laws on email disclaimers. First class support. CI-Sign is the email signature software solution for Microsoft Outlook 2016, 2010, 2007, 2003 and Outlook Web App (OWA). Centralize the management of email signatures for all users within your organization. With CI-Sign you create and deploy professional and Corporate Identity compliant email signatures in minutes.Starting Price: $23.96 -
11
QuickMigrations Thunderbird to Outlook
QuickMigrations Software
Conversion of emails from Thunderbird to MS Outlook using the best software is a wise step to keep your data secure and error-free. To do the Thunderbird to PST migration use QuickMigrations for Thunderbird to Outlook application which helps the user to export their Mozilla TB database to Outlook PST format with quick speed. The software has some additional features which make the user’s task easy and keep it secure. To use this application there is no need to install Outlook. Some of the advanced features are listed below. 1. Auto Load option fetch the Thunderbird file from its default location automatically. 2. Load Profile option provides the full access to the user to search the Thunderbird file (s) from the local storage. 3. Supports bulk migration for Thunderbird to Outlook PST format. 4. Export all the data from Thunderbird to MS Outlook at once. 5. Compatible with Windows 10, 8.1, 8, 7 and all the previous versions. 6. Supports MS Outlook 2019, 2016, 2013, 2010Starting Price: $39 -
12
MailsDaddy EDB to PST Converter
MailsDaddy Software
MailsDaddy EDB to PST converter is a very useful tool to open, recover, and export Exchange EDB to PST format in a single go. You can also convert EDB to PST, Office 365, Live Exchange, EML, etc. without modification and changes in the original file. This EDB converter software has various features to migrate single or bulk mailboxes from EDB data to Outlook PST format. The user does not need to install and configure Microsoft Outlook or Exchange server to perform conversion from EDB to PST format. It supports all Windows operating systems and allows importing data from EDB to PST format in a few easy clicks. Plus users can recover Exchange private and public folders from EDB to Outlook 2019, 2016, 2013, 2010, etc. The EDB to PST converter free demo exports 50 items from Exchange EDB to PST, while the full version of the EDB converter tool has no limitation. We also provide 24x7 free technical support and live chat related to software and purchase.Starting Price: $199 -
13
SYSessential NSF to PST Converter
SYSessential
Sysessential NSF to PST Converter is a fully examined solution to convert NSF file data items to PST format. All emails, calendars, notes, tasks, journals, etc. are securely converted from Lotus Notes to Outlook files. This program also permits users to convert NSF emails to MBOX, EML, EMLX, and MSG formats with attachments. With a few easy clicks of the mouse, the software performs NSF file to PST conversion. By the proper installation of Lotus Notes, users can export NSF emails to PST format without any hassles. There is no necessity to have Outlook in the system to transfer NSF mailbox data to PST file. Without any hassles, NSF data to PST format is smoothly exported by this application. This powerful utility is too advanced in functions and easy to handle. By retaining the actual structure of the NSF file and maintaining formatting, the app exports NSF to Outlook 2019, 2016, 2013, 2010, etc.Starting Price: $99 -
14
QuickMigrations for EML to PST
QuickMigrations Software
Perform a safe and secure process to import EML to PST using the prominent solution is a wise decision to keep your data error-free. Use QuickMigrations for EML to Outlook converter software and export single or multiple EML mailboxes data into Outlook platform quickly and sufficiently. The software comes with a free to use the version which converts only first 20 items of each folder in PST format from the EML file. The software has various additional features which don’t works in demo version so buy a full license version and migrate EML to PST at once completely. Some features of EML to Outlook converter are listed below: Supports single and multiple EML to PST format migration in a single screen. Interactive GUI interface for the users. Export all the data at once from EML format to Outlook post format. Compatible with Outlook 2019, 2016, 2013, 2010 and earlier versions. Supported by Windows 10, 8.1, 8, 7 and previous version of OS.Starting Price: $39 -
15
FocusMe for Outlook
Ceptara
Ceptara's FocusMe application is a Microsoft Outlook 2010, 2013 & 2016 add-in designed to help you and your team achieve greater focus. It helps you get more organized via features include including 5D email processing, organizing your mail, tasks, appointments, documents, and notes by Project, task planning support, and time tracking and timecards. It includes task planning tools such as Gantt charts, MindMaps and a free/busy schedule. You can track action using email delegation and follow-up tasks that are automatically linked to your contacts. FocusMe leverages using our [FocusSync] cloud service providing cross-device availability of your projects, focuses, and workspaces. FocusMe for Outlook implements our FocusMe for Excellence (FME) process. It helps you and your team get organized around projects (structuring the work to achieve the goal), discover and optimize your collection points (the places that demand your attention), process your collections (i.e. email and notes). -
16
Recover My Email
GetData
Recover My Email is mail recovery software that can recover deleted email messages from either your Microsoft Outlook PST file or your Microsoft Outlook Express DBX files. Outlook (PST recovery), 2000, 2002, 2003, 2007, 2010 (including Outlook 2010 32 and 64 bit versions). If you have accidentally deleted an email and need email recovery, this is the software for you. Download and try to Recover My Email now, and give PST Repair a try today. Use the evaluation version to fully preview email recovery results including message attachments. Once you activate the program, quickly save an error-free copy of your lost, deleted, or corrupt email messages. Recover deleted email messages and attachments from your Personal Storage File (PST). Save mail recovery results, including messages contacts, and attachments in an error-free new PST file with a full folder structure. Open and read corrupt Outlook PST files and recover email and attachments.Starting Price: $99.95 one-time payment -
17
CounterMail
CounterMail
CounterMail is a secure and easy to use online email service, designed to provide maximum security and privacy without any unnecessary complexity. You can access your email account at any time, from anywhere in the world. Your account will always be encrypted and anonymous. CounterMail's encryption works automatically and transparently, it requires no specialized computer skills or knowledge. If you are comfortable using services like Hotmail or Gmail, you will be comfortable using CounterMail's secure email! We are using a strong encryption protocol called OpenPGP, with 4096 bits encryption keys to protect your data. To the best of publicly available information, there is no known method which will allow a person or group to break OpenPGP:s encryption by cryptographic or computational means. -
18
Stellar Toolkit for File Repair
Stellar Data Recovery Inc.
Advanced “4-in-1” specialized tool, highly recommended by users & IT professionals worldwide to repair Word, Excel, PowerPoint, and PDF files. Supports Microsoft Office 2019, 2016, 2013, 2010, & previous versions. Stellar Repair for Word Powerful tool, trusted by Microsoft Office users & IT professionals, to repair corrupt .doc and/or .docx files. It previews the repaired Word document in RAW text or machine-readable format. Further, the tool allows to save the repaired file at its original or user-specified location on the hard disk. Stellar Repair for Excel Advanced file repair tool to fix corrupted Excel files (.xls, .xlsx, .xltm, .xltx, and .xlsm). It fixes all types of Excel corruption errors, such as unrecognizable format, unreadable content, etc. Supports Microsoft Excel 2019, 2016, 2013, 2010, 2007, 2003, and 2000. Stellar Repair for PowerPoint Powerful utility to repair corrupt or inaccessible PowerPoint (PPT/PPTX/PPTM) slides. Itrestores all PowerPoint components.Starting Price: $69 per year -
19
GainTools OST to PST Converter
GainTools Software
OST to PST Converter Tool is the finest and real clarification to smoothly switch all the offline OST data from OST files to Outlook PST file-formats including – calendars, tasks, notes, images, chats, contacts, drafts, appointments, attachments, and other items. It supports all the versions of OS Windows and Outlook including – 2002, 2003, 2007, 2010, 2013, 2016 & 2019. The conversion program has been prepared to make migration from offline storage table to personal storage table easy and quick. The size of a file doesn’t matter. It takes a few minutes to convert entire data of OST 2 PST. Conversion is taken place automatically by the app. Before you get late migrate OST mailbox to PST. An oversized OST file can be corrupted or inaccessible anytime without warning. As you know PST has capacity to store more data, it means OST to PST conversion can save your data from corruption.Starting Price: $49 -
20
Datavare OST to PST Expert
Datavare
Datavare OST to PST Expert tool is a best-in-class OST to PST converter which helps you migrate inaccessible OST files to PST file format which lets you easily access your OST files anywhere in Outlook. OST files can be corrupted due to varieties of reasons. If there is server error during synchronization process of an OST file, it can corrupt. Oversized can also make OST files inaccessible. Hardware and software issues can also corrupt OST. To save oversized OST from corruption, conversion is one of the best solutions. PST is the most common file format of Outlook. You can switch from OST to PST. Our conversion program helps you. This software is specialized in converting OST to PST only. The sizing of the OST file doesn't matter. The converter is capable to scan OST files at one go. It supports all Outlook versions including 2003, 2007, 2010, 2013 and 2016.Starting Price: $49 per month -
21
SalesOutlook CRM
SalesOutlook, Inc
SalesOutlook's Outlook CRM is a comprehensive customer relationship management (CRM) and email marketing system that embeds into Microsoft Outlook. Our Outlook based CRM automatically syncs all customer data at one place. All files and email correspondence are saved to the contact's profile, and because SalesOutlook CRM depends on Microsoft Outlook, there is no need for a dedicated MS-SQL server database. SalesOutlook Outlook CRM's intuitive interface provides a host of features that optimize the user experience. Contacts can be dragged and dropped into different lead categories, such as "Opportunity" or "Customer Inquiry" directly from the email interface. By right-clicking on a customer name, users can easily access contact information, providing instant visibility into all the necessary information related to any particular buyer. Our Outlook CRM is a specialized system that builds upon a frequently-used email medium to create a CRM that will optimize user efficiency.Starting Price: $25.00/month/user -
22
Kernel Migrator for Exchange
KernelApps
Kernel Migrator for Exchange is an excellent tool that allows quick migration of Office 365 and Exchange data. It performs intra-forest, cross-forest, and hybrid migrations. Kernel Migrator for Exchange works very efficiently, and the entire mailbox is migrated from the source to the target. Even large email folders can be easily migrated in no time. The tool helps in many pre-migration and post-migration tasks. The software moves the entire Outlook data which includes profiles, rules, calendars, tasks, SID history and passwords. The user can also request a demo to understand the hassle-free working of the tool. Migration time can be scheduled at a particular time according to the user's requirement. Supports UNICODE characters and emails in almost all languages. The migration process can be performed without any hindrance to the routine work. The tool is compatible with all the versions of Exchange Server i.e. 2019, 2016, 2013, 2010, 2007, and 2003.Starting Price: $199 -
23
SecureMailMerge
Sol Inventum OÜ
The privacy focused mail merge add-in for Outlook and Microsoft 365. Send marketing campaigns or confidential internal newsletters with the same tool. Your data never gets uploaded to any servers like with other tools, therefore stays safe with you at all time. The emails are sent from your own email address as if you sent them personally, so you get terrific response rates from people. Use Outlook to write your formatted template email, add some personalization tokens from a spreadsheet or your address book, add any number of attachments and images and then watch as SecureMailMerge generates your emails for you right in front of your eyes. Works on Windows, Mac and Browser versions of Outlook 365 and requires a Microsoft 365 Business subscription. Has support for Shared Mailboxes.Starting Price: $10/month/user -
24
EncryptTitan
TitanHQ
EncryptTitan is a 100% cloud based encryption system for MSPs & Enterprises that allows users to exchange information securely via email. EncryptTitan provides organizations with the tools needed to adhere to state and federal privacy regulations while protecting their organization. EncryptTitan has pre-built DLP policies and settings that will look for regular content in the message body or attachment to automatically encrypt messages. Meet compliance requirements for protecting sensitive, private information. Providing data breach protection and avoiding costly fines and penalties. The outlook plug in can be used with our keyword encryption deployment, where the user can select which emails to be encrypted for the add in. EncryptTitan helps the safeguarding of private information & avoidance of litigation & bad press which can impact customer trust. Book your demo today and learn more about EncryptTitan. -
25
MailsDaddy OST to PST Converter
MailsDaddy Software
The MailsDaddy OST to PST Converter is a helpful tool that can easily recover and convert offline OST files to PST format in a single click. Users can also convert the OST file database into EML, MSG, MBOX, RTF, HTML, EMLX, MHTML, Office 365, Live Exchange, and many more without any modifications in the original data. This OST file converter tool has the ability to convert multiple OST files to separate or single PST files without trouble. It can convert large OST files into smaller PSTs with full accuracy. Furthermore, users don't need to install and configure MS Outlook or Exchange server to follow the OST conversion process. It is compatible with every Windows operating system. The main benefit is here that users can import the converted PST file to any Outlook version, including Outlook 2019 and 2016, 2013, etc. The OST to PST converter software comes with a free demo version pack in the market that enables users to exports the first 20 emails items per mailbox without any cost.Starting Price: $49/license -
26
ClassifyIt
Ralf Ulrich Garbe
ClassifyIt is an add-on module for Microsoft Office 2010 and higher. It provides functionality to add classification tags to the top of emails and to the header/footer of documents. It also provides the ability to encrypt email attachments. ClassifyIt is fully customizable to help users to provide classifications to all Outlook emails, Word documents, Excel sheets and PowerPoint slides. It is a tool to ensure policy compliancy and is a core mechanism to achieve information security. ClassifyIt is build to be user friendly and fully intuitive ... and the price is very competitive. Classification Example: UNCLASSIFIED, RESTRICTED, CONFIDENTIAL, SECRETStarting Price: €10 per license -
27
Virtru
Virtru
Easily control access to sensitive data flowing in and out of your organization via email, file sharing, and other applications. All powered by the Trusted Data Format and Virtru’s industry-leading platform for Zero Trust Data Control. Virtru integrates natively within the apps your teams already use, securing workflows in Google, Microsoft 365, Salesforce, Zendesk, and more. We make military-grade encryption accessible to everyone. Deploy Virtru across your organization in less than a day and meet your compliance goals. Granular access controls safeguard your most valuable asset — your data — throughout its entire lifecycle, everywhere it travels. Collaborate securely in Docs, Sheets, and Slides. Store and share files in Drive. Message via Gmail and Google Meet. Secure messages flowing through enterprise and custom apps. Seamlessly protect emails and files shared via Outlook. -
28
Mail Envoy
BizPortals Solutions
Get rid of your inbox clutter while improving collaboration, productivity, and records management across the organization. Mail envoy simplifies the process of capturing, classifying, organizing, and accessing the email content from Outlook to OneDrive, Teams, and Microsoft 365 environment. Mail Envoy is an email management solution for Outlook to streamline knowledge, records, compliance, and capitalize your Microsoft 365 investment. Explore the amazing features of Mail Envoy – your one-stop email productivity tool. Modern user interface: Experience a natural experience of Microsoft Outlook while working collaboratively with SharePoint and Microsoft 365. Mail Envoy completely supports the web and mobile browser to help you stay productive anytime, anywhere. Centralized Microsoft 365 deployment: Mail Envoy enables you to work across the Microsoft Outlook environment while leveraging the centralized deployment capabilities of Microsoft 365. -
29
MailsDaddy MBOX to PST Converter
MailsDaddy Software
MailsDaddy MBOX to PST converter is the best solution to convert multiple MBOX data files to Outlook PST format. By using this affordable email migration tool, you can easily migrate MBOX to PST, EML, RTF, MSG, HTML and other popular file formats. The converted PST file is compatible with all version of MS Outlook like 2019, 2016, 2013 etc. The MBOX to PST Converter Tool also has an option of Bulk Export with that users can easily convert multiple MBOX files to Single or separate PST file format. Features: 1. Easily convert several MBOX files in PST format. 2. Supports more than 30 email clients mailbox such as Apple Mail, Eudora, Claws Mail, Entourage etc. 3. Advance Filter Option to Export the emails of specific date range. 4. It maintains folder influence, hierarchy and Meta data after converting MBOX to PST format. 5. Compatible with all Window operating systems such as Win 10, 8.1, 8, 7, XP and other older editions.Starting Price: $39 -
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EaseUS Email Recovery Wizard
EaseUS
Easy email recovery software to recover your deleted or lost emails, email files, contacts, appointments, and notes safely. EaseUS Email Recovery Wizard is an advanced email recovery software to restore deleted or lost emails, folders, calendars, appointments, meeting requests, contacts, tasks, task requests, journals, notes, and attachments from corrupted PST files. Safe and read-only utility which reads lost/deleted mail items without modifying the existing content and is able to restore lost data into a new file. Recover emails from Microsoft Outlook 2010, 2007, 2003, 2002/XP, 2000, 98, and 97. Corruption or damage in the Outlook PST file results in the inaccessibility of your entire valuable Outlook email. EaseUS Email Recovery Wizard can fix your corrupted, damaged, or inaccessible PST files. Preview before you recover lost emails makes you clear about all recoverable emails & files and check recovery quality in advance.Starting Price: $99.95 one-time payment -
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Perfect Data PST Recovery Software
Perfect Data Solutions
Perfect Data Solutions PST Recovery Software repairs extremely damaged .PST file and extracts ash and every element in successful manner. PST Recovery Software allows you to recover PST to new created PST, EML, MSG, HTML, MHTML, RTF, TXT, DOC, PDF, MBOX and Outlook profile. This software is capable to recover all emails with its properties (cc, bcc, from, date, time and subject) including attachments. It efficiently supports Microsoft Outlook versions from 97 to 2016 (32 and 64 Bit).Starting Price: $49.00 -
32
Hushmail
Hushmail
Hushmail protects your clients by adding encryption to your emails, web forms and e-signatures. It’s secure, HIPAA-compliant, and trusted by healthcare professionals worldwide. Best of all, Hushmail is easy to set up and use. Send your first encrypted email today, and set up a secure online intake form in minutes. Your Hushmail account works just like a regular email account, with added security features to help keep your data safe. Send and receive encrypted email on the web and iPhone. Access your account using Outlook, Apple Mail or your Android smartphone. Move your forms online in minutes. Hush™ Secure Forms is our secure alternative to old-fashioned paper forms and includes online signing for your most important digital forms. Switching from pen and ink to e-signatures has never been easier.Starting Price: $9.99/month/user -
33
OfficeCalendar
Lookout Software
OfficeCalendar for Microsoft Outlook is an easy-to-use software application designed for sharing Microsoft Outlook information between colleagues and coworkers. OfficeCalendar is an affordable alternative to Microsoft Exchange Server, which is considered to be too expensive and complex for many small to mid-sized businesses. With OfficeCalendar, coworkers can share their Microsoft Outlook calendars, email, contacts and tasks; create group calendars; and control OfficeCalendar’s comprehensive sharing security; all from within their own copy of Outlook. Colleagues can also access their personal and shared Outlook folders (calendars, contacts and tasks) online using OfficeCalendar Online, giving users Outlook web access from anywhere or at any time. Share Microsoft Outlook Calendars with colleagues. Create interactive Outlook group calendars for easy group scheduling.Starting Price: $99.00/one-time/user -
34
OpenText Core Email Message Privacy
OpenText
OpenText Core Email Message Privacy enables organizations to securely send emails and attachments, up to 100 GB per message, through a browser or Outlook without relying on insecure cloud-sharing tools. It uses AES-256 encryption at rest, and messages are uploaded to a secure portal; as the sender, you can set and manage permissions such as view, reply, and forward, even revoking rights after delivery. Recipients receive a secure link and can access messages via web or mobile without installing extra software. It includes built-in e-signature support, allowing recipients to add legally binding signatures directly within the secure message flow. Every interaction, delivery, opening, download, and signature is tracked in real time and logged for full auditability. It supports large file transfers while avoiding infrastructure complexity; it’s SaaS-based, requires no extra servers, and integrates with single sign-on (SSO). -
35
Send Personally
MAPILab
A proven Outlook mass email add-in that not only provides true bulk mailouts in Outlook but also enables high-level personalization in your mailings: you can send individual emails to a great number of recipients via Microsoft Outlook seamless and easily! Create the Outlook message as you usually would, apply the distribution list and just click ‘Send Personally’ button instead of native ‘Send’ one. Perform bulk mailing in Outlook but provide a personal greeting for each recipient: name; surname or email address. Even if you are sending a message to an entire list of recipients, only one contact will be displayed in the ‘To’ field. -
36
IRI CellShield
IRI
IRI CellShield® protects the sensitive information in your Microsoft Excel® spreadsheets, allowing you to comply with data privacy laws. Point-and-click to protect your columns with reversible and non-reversible masking functions. CellShield keeps your data secure, whether it's in one sheet or a million. Use multiple search methods to find and report on PII across the LAN, and protect it all at once. Classify and mask it in intuitive graphical dialogs. CellShield's core technology is built on the award-winning IRI FieldShield data masking product for databases and flat files. Data masked in one platform can be revealed in another. CellShield EE is the only full-featured, professional data discovery, masking, and auditing package for Excel 2010, 2013, 2016, and 2019 (plus Office 365) workbooks in your LAN. CellShield EE exceeds the security and scope of a single password by combining and automating all these extra capabilities.Starting Price: $35 one-time payment -
37
DragDrop
HUSS
We wanted to overcome the slow proces of getting an email out of Outlook into your CRM, document management system, ERP while cluttering your desktop with emails. So we created DragDrop for Outlook. DragDrop for Outlook is an Outlook add-in that loads with your Outlook Desktop Client and creates the drag and drop functionality in the background. Easy, without bothering the user with any configuration. While companies are moving to Office 365 / Microsoft 365 and start using Outlook on the Web – also called OWA / Outlook Online – we used a similar process to not just be able to drag an email or attachment from Outlook on the Web to another browser but also to your desktop, explorer and any application that normally accepts a file drop. Dragging mails and attachments directly from Outlook to anywhere has never been as easy as before. Just install and start drag and dropping!Starting Price: €19 per user -
38
Ability Office
Ability Office
Ability Office will load from and save to Microsoft® Office 2016, 2013, 2010, 2007 and 2003 file formats so you can easily exchange files with others. What's more, Ability Office features a choice of familiar interfaces to match the different versions of Microsoft Office so you can get to work straight-away, with absolutely no retraining required. Plus Ability Office Professional gives you more — a feature rich image editor and a relational database that works with Microsoft Access MDB files. Switch interfaces between traditional toolbar mode and ribbon style. Unlimited installs for personal (non-commercial) use. Built with Microsoft Visual Studio 2017 — fully compatible with Windows 10.Starting Price: $39.99 one-time payment -
39
OnePlaceMail
Ideagen
OnePlaceMail seamlessly connects Microsoft Outlook to SharePoint and Office 365 to improve collaboration, business productivity and records management across the organization. See the OnePlace Solutions product suite in action and unlock the potential of your data by leveraging the SharePoint platform. Download and try the full OnePlace Solutions product suite for Windows Desktop and Apps for Microsoft 365. We're here to help, so please don’t hesitate to get touch with any questions you may have. Connect Microsoft Outlook with Microsoft 365 and SharePoint Online across all supported devices, including macOS, Windows, OWA, Android, iOS iPhone and iPad. The OnePlaceMail App works on all platforms and devices supported by Outlook. With multi-platform support, you can remain productive from your phone, web browser or preferred Outlook on Windows or mac client. The OnePlaceMail App looks, feels and works intuitively within Microsoft Outlook.Starting Price: $4.00/month/user -
40
Spambrella
Spambrella
Dynamically classify imposter email. Preemptively identify and sandbox suspicious URLs. Leverage big-data analysis to accurately classify bulk mail. All within a single service that connects with Microsoft 365 and Google Workspace. Spambrella’s Email Security and User Awareness Training technology is used by some of the World’s largest and most successful security-conscious companies in a multitude of continents and environments. Delivered on a global scale, Spambrella is ready to unify your email security and user awareness training requirements. Think of us as your outsourced email security team! We have deep technical expertise of all other service providers such as MxLogic, Mimecast, Symantec.cloud and know how to migrate you effortlessly. Schedule a demo today with our cybersecurity experts to uncover email threats targeting your email users.Starting Price: $1.00 -
41
Mailfence
Mailfence
Mailfence is an encrypted email service that offers OpenPGP based end-to-end encryption and digital signatures. Mailfence comes with a plethora of features that boost collaboration without compromising security and convenience. Mailfence documents allow you to safely store and edit documents, you can also share docs with your team with the push of a button. Mailfence calendar will keep your tasks, meetings, and events all in one secure place. Mailfence contacts will store your contacts and it will give you the ability to create mailing lists to maximize efficiency. We designed Mailfence to be a fully interoperable suite, which means you can synchronize Mailfence with most services out there. Mailfence business offers fully customizable whitelabel versions of the Mailfence interface. To put the cherry on top, Mailfence donates 15% of revenues of PRO subscriptions to IFF and EDRI to bolster the fight for Online privacy.Starting Price: $2.50/month/user -
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Resource Central
Add-On Products
Resource Central by Add-On Products is a complete workspace, meeting, and resource scheduling software for Microsoft Outlook®, Exchange, and Microsoft 365. With Resource Central, users can easily search for and book suitable meeting rooms, workspaces, and resources, order catering, list and book available hot desks, and more. The software offers integrations with Outlook® for Mac, Outlook® on the web (OWA), room booking displays, and fully supports native Microsoft Teams’ videoconferencing and screen sharing features. Visit our website www.add-on.com to learn more about Resource Central. -
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Allocatus
Holert
The best calendar integration for project management. Automatically find your relevant tasks directly in your Outlook calendar. Allocatus can synchronize Microsoft Project tasks with your Outlook calendar or to-do list automatically. You create Microsoft Project tasks in the project plan, assign team members and publish the plan to the Project Server or Project Online. The Microsoft Project tasks will be automatically displayed in your team member's calendar (AutoLink). With automatic calendar updates, Allocatus immediately communicates changes and amendments made by one individual (the project manager) to other members of the project group. You can choose to create a Microsoft Project task either as an Outlook appointment or as an Outlook task. Note that Outlook appointments also show up in Microsoft Teams calendar und Outlook tasks in Microsoft To do. Allocatus can display your Microsoft Project task as an all day event or split into several appointments in your calendar. -
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Letterbox
Letterbox
Who reads your mails? With regular mails you, the receiver, all mail providers and maybe others can read them. With end-to-end encrypted mails only the sender and the receivers can read them. Our iOS-App Letterbox makes end-to-end encryption easy to use, is compatible with most mail providers and supports the standard encryption protocol OpenPGP. Letterbox is similar to common mail apps but indicates the security state of incoming and outgoing mails. We disinguish between a confidential and insecure mails. Letterbox is a free open-source mail client on iOS and part of an ongoing research project at the Freie Universität Berlin, Germany. Letterbox is still under development but you can soon use the app on your device with Apple's TestFlight app.Starting Price: Free -
45
Easy Mail Merge
Digital Software Development
Easy Mail Merge is designed to help you send mass personalized emails using the familiar Microsoft Outlook interface (mail merge add in) . Easy Mail Merge for Outlook gives you the power to fully personalize email messages and quickly deliver individual emails to your contacts list, being the perfect solution for your mail merge needs, such as personalizing email newsletters, business announcements, marketing emails or any other emails that need to be customized and individually sent to a large number of people. -
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4n6 Outlook Forensics Wizard
4n6Soft
4n6 Outlook Forensics Wizard is the most reliable, fast and easy-to-use software to open and analyze Outlook email data files. Forensics Investigator is this application developed specifically to collect evidence from Outlook data files. This advanced Outlook Forensics Software provides detailed preview of Outlook data files in various modes. You can easily use this software without facing any type of problem. The app also offers several premium benefits: 1. Allows to open, view, and analyze unlimited Outlook Data Files. 2. No need to install Outlook application to analyze email data. 3. Outlook Forensics Wizard is complete free from any type of risk. 4. Supports all the versions of Outlook including Outlook 2019. 5. Analyze Outlook email data in multiple modes to deeply analyze.Starting Price: $49 -
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yasoon
yasoon
yasoon is an advanced integration app that connects Jira with key Microsoft 365 tools so teams can work more efficiently without switching platforms. It links Outlook Email, Microsoft Teams, Outlook Calendar, and Microsoft To Do with Jira to unify communication, task tracking, and documentation; users can create and sync Jira issues directly from Outlook emails, view Jira boards inside Microsoft Teams tabs, let internal customers raise support tickets through a Teams customer portal, and keep Jira tasks in Microsoft To Do for a consolidated daily task view. It offers presets and templates that standardize and automate common workflows across Teams, email, and meetings, reducing repetitive setup steps and ensuring consistent communication. Administrators can configure features and automation rules to tailor integrations to project needs, and built-in automation extends Jira’s processes with Microsoft 365 actions. -
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Microsoft SMTP Service
Microsoft
Microsoft SMTP Service is a mail server software that enables Microsoft Windows Server operating systems to send and receive emails. It is a component of Internet Information Services (IIS) and is used to relay emails between mail servers. Microsoft SMTP Service is a popular choice for organizations that need a reliable and scalable mail server solution. It is easy to install and configure and can be used with a variety of email clients. Microsoft SMTP Service supports a number of features, including: Relaying emails between mail servers: Microsoft SMTP Service can relay emails between mail servers, which means that it can be used to send and receive emails for multiple domains. Supporting multiple email clients: Microsoft SMTP Service can be used with a variety of email clients, including Microsoft Outlook, Mozilla Thunderbird, and Apple Mail. Providing security features: Microsoft SMTP Service provides a number of security features, such as authentication and encryption -
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Microsoft Outlook
Microsoft
Microsoft Outlook is the all-in-one email, calendar, and contact management platform designed to keep you organized and connected across your digital life. With Outlook, you can manage multiple accounts—including Gmail, Yahoo, and iCloud—within one unified inbox. Intelligent scheduling tools and shared calendars help you stay on top of meetings, events, and personal reminders. The built-in Microsoft Copilot assists with writing emails, summarizing long threads, and managing tasks to boost productivity. Outlook also offers enterprise-grade security, filtering out spam, phishing, and malware to keep your data safe. Whether on desktop, mobile, or web, Outlook helps you manage communication and time with clarity and confidence. -
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eWay-CRM
eWay System
If you use Microsoft Outlook and need a CRM, you have to try eWay-CRM. It’s the best CRM that lives right inside Microsoft Outlook and Teams. Manage Customers, Sales, Projects, and Email Campaigns — without ever leaving your inbox. Thanks to deep Outlook integration, eWay-CRM automatically tracks emails, syncs with your calendar, and keeps your contacts organized. You’ll love the “Convert to” feature: just right-click any email and turn it into a deal, task, or contact. It’s fast, simple, and powerful. And with Microsoft Teams integration, collaborating with your team becomes seamless. Work smarter, stay organized, and keep everything in one place — right where you already work.Starting Price: $20.00/month/user
