7-Zip Discussion

A free file archiver for extremely high compression

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How is the "data and names" checksum calculated? By Janne Soukka on Thu Sep 10, 2026 10:45 PM	5	102	By Janne Soukka on Tue Sep 15, 2026 11:11 PM
7-Zip 26.03 By Igor Pavlov on Fri Sep 04, 2026 07:52 AM	3	61376	By Igor Pavlov on Fri Sep 11, 2026 05:41 PM
7-zip file explorer / 7zFM.exe - Specified Working folder have no eff... By KrashDummy on Fri Sep 11, 2026 05:22 PM	1	53	By KrashDummy on Fri Sep 11, 2026 05:22 PM
Treat .tar.gz extract as atomic operation? By Aren Cambre on Fri Feb 20, 2009 02:56 PM	91	49372	By tsingkong on Fri Sep 11, 2026 06:05 AM
7-Zip old version vs new version? By Alex V on Sun Jun 21, 2020 06:36 PM	12	1633	By Satish Godara on Wed Sep 09, 2026 01:01 PM
7zip cannot copy the folder. By engin çiçek on Sun Sep 06, 2026 08:52 PM	1	127	By engin çiçek on Sun Sep 06, 2026 08:52 PM
count number of files in a zip By diLan A on Mon Oct 14, 2024 11:53 AM	6	1537	By r_x on Sat Sep 05, 2026 09:40 AM
I have submitted the addition of the XChaCha20 algorithm, and reviews... By 风之暇想 on Mon May 11, 2026 05:54 AM	2	555	By 风之暇想 on Sat Sep 05, 2026 05:57 AM
7zr.exe detected as virus Trojan:Win32/Wacatac.C!ml by Windows Defend... By mgs on Fri Sep 04, 2026 12:05 PM	1	241	By mgs on Fri Sep 04, 2026 12:05 PM
Any plans to include 3mf file type? By Larry on Thu Sep 03, 2026 05:14 PM	1	89	By Larry on Thu Sep 03, 2026 05:14 PM
vulnerability scanner flagged version 26.02 as unsafe By Robert Barcikowski on Tue Aug 04, 2026 03:45 AM	7	1871	By Priyanka Phadke on Thu Sep 03, 2026 09:12 AM
Is it allowed to use 7-Zip logo on my website? By matthijs on Wed Sep 02, 2026 03:10 PM	1	115	By matthijs on Wed Sep 02, 2026 03:10 PM
about working folder By simon on Tue Jun 29, 2010 05:44 AM	13	2819	By mmortal03 on Mon Aug 31, 2026 11:07 AM
7-Zip 26.02 By Igor Pavlov on Fri Jun 26, 2026 06:20 AM	7	294361	By arhfk on Sun Jul 19, 2026 08:27 PM
Just unpacking support for zstd in 7z container By Tish on Fri Aug 14, 2026 08:49 PM	1	149	By Tish on Fri Aug 14, 2026 08:49 PM
the vcpkg with a console 7zip app By Wlodzimierz O. Kubera on Thu Aug 13, 2026 07:04 PM	1	79	By Wlodzimierz O. Kubera on Thu Aug 13, 2026 07:04 PM
Double Click doesn't open an encrypted 7-Zip archive By mik on Wed Feb 21, 2024 11:44 AM	5	4628	By Keith Schlesinger on Thu Aug 13, 2026 04:31 AM
Where is 7zip Filemanager in Linux (ZorinOS 18) By Thomas Stephens on Tue Jul 28, 2026 01:33 PM	2	221	By Sam Tansy on Wed Jul 29, 2026 08:03 AM
why 7zip doesnt show which part is broken when extracting? By Peter Dirk on Mon Jul 27, 2026 10:04 PM	1	192	By Peter Dirk on Mon Jul 27, 2026 10:04 PM
How does 7zip handle a conflict between include- and exclude-switches? By Peter Henkel on Tue Jul 21, 2026 08:44 AM	9	377	By Deyan Delchev on Sun Jul 26, 2026 11:24 AM
Dark Mode By Carlos Nunes on Tue Jul 08, 2025 02:39 AM	6	3130	By TimG on Sat Jul 25, 2026 03:53 PM
Feature Request: GNUSparseFile support of GNU tar file By Roy Tam on Mon Jul 20, 2026 03:38 PM	8	342	By Igor Pavlov on Wed Jul 22, 2026 10:34 AM
MS Defender SmartScreen Blocking 7-Zip 26.02 Installer By lmacri on Mon Jun 29, 2026 12:38 PM	8	1394	By lmacri on Mon Jul 20, 2026 02:52 PM
-spf does not store drive letter By Squeller on Wed Jul 15, 2026 08:09 AM	6	214	By Squeller on Wed Jul 15, 2026 10:02 AM
Linux GUI By Lampe2020 on Sat May 18, 2024 09:08 AM	21	8841	By Sanmay Joshi on Fri Jul 10, 2026 05:43 PM

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