7-Zip Discussion

A free file archiver for extremely high compression

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7-ZIP Command-Line not updating archive with new files By Ethan on Thu Nov 06, 2025 07:35 PM	6	27	By Igor Pavlov on Thu Nov 06, 2025 09:25 PM
Possible bug: Folder remains locked after compression By peta-b on Tue Nov 04, 2025 08:34 AM	4	37	By peta-b on Tue Nov 04, 2025 10:53 AM
Trying to save a corrupted file. Please help me understand what I am ... By askme233 on Sat Nov 01, 2025 12:02 AM	4	66	By Igor Pavlov on Mon Nov 03, 2025 09:07 AM
What is "Compression ratio"? By 1400700226 on Thu Oct 01, 2015 03:20 AM	9	92844	By Igor Pavlov on Fri Feb 17, 2017 05:46 AM
using 7-zip32.dll in VFP By Vladislav Vojcak on Wed Oct 22, 2025 05:56 PM	1	68	By Vladislav Vojcak on Wed Oct 22, 2025 05:56 PM
How to compile static library of 7z By mingho on Wed Oct 15, 2025 02:58 AM	1	61	By mingho on Wed Oct 15, 2025 02:58 AM
How can i disable opening exe extension files by default with "7-zip"... By Juan Gabriel Rivera Tamayo on Mon Oct 13, 2025 09:07 PM	2	86	By Juan Gabriel Rivera Tamayo on Mon Oct 13, 2025 09:38 PM
Decompressing LZMA2 with C# API By John J Scott on Fri Oct 03, 2025 05:41 PM	1	101	By John J Scott on Fri Oct 03, 2025 05:41 PM
Issue with Recovered 7zip Files By Bruno de Oliveira on Sat Sep 27, 2025 05:35 PM	9	182	By Igor Pavlov on Sun Sep 28, 2025 06:56 PM
Extract Subfolder with Command Line, but not parent folders By OnceThereCouldBe on Sun Sep 21, 2025 11:44 PM	2	85	By Igor Pavlov on Mon Sep 22, 2025 08:07 PM
Inconsistent behavior if folder name contains a ? or * character By Jtronicus on Tue Sep 16, 2025 09:09 PM	1	48	By Jtronicus on Tue Sep 16, 2025 09:09 PM
Unable to extract Lenovo BIOS exe By CocolinoFan on Tue Aug 26, 2025 07:26 PM	7	498	By CocolinoFan on Thu Sep 11, 2025 09:17 AM
How is 7Z supposed to behave on Windows 11? By D. Pendleton on Mon Sep 01, 2025 02:32 AM	2	170	By VictorVG on Mon Sep 01, 2025 06:59 AM
Error code 2 despite file not in use. By Kyle Steever on Wed Aug 20, 2025 01:34 PM	8	210	By Kyle Steever on Fri Aug 29, 2025 07:41 PM
File/Folder/Subfolder view By Vale on Fri Aug 29, 2025 01:41 PM	3	69	By Vale on Fri Aug 29, 2025 01:53 PM
Is there no native (!) portable 7zip package any more? Only Portable ... By Thomas on Mon Jul 07, 2025 05:32 AM	6	481	By VictorVG on Thu Aug 28, 2025 11:05 AM
Missing Thread Options in File Manager? By Anony Mous on Wed Aug 27, 2025 12:15 AM	1	62	By Anony Mous on Wed Aug 27, 2025 12:15 AM
Request to Feature Our Positive Review on Your Website By Mohamed Ahmed on Tue Aug 26, 2025 06:57 PM	1	76	By Mohamed Ahmed on Tue Aug 26, 2025 06:57 PM
Command line help By frankfred on Tue Aug 05, 2025 04:03 PM	2	155	By frankfred on Sun Aug 24, 2025 01:17 PM
7-zip takes a very long time to compress PDF file By Angel on Sun Aug 17, 2025 10:15 PM	2	122	By Igor Pavlov on Mon Aug 18, 2025 07:46 AM
Generate Central Directory By Worm Worm on Wed Aug 13, 2025 05:39 AM	6	127	By Worm Worm on Wed Aug 13, 2025 02:53 PM
different archive sizes in different versions of 7-zip By Владимир on Mon Aug 04, 2025 03:06 PM	9	250	By Владимир on Thu Aug 07, 2025 05:21 PM
What versions of 7-zip are considered active as of today By Charlie Opeke on Mon Aug 04, 2025 04:25 PM	2	147	By Igor Pavlov on Mon Aug 04, 2025 06:46 PM
Block Size 16 GB does more compression than 4 GB if compressing less ... By Augusto on Thu Jul 31, 2025 11:43 PM	5	142	By Augusto on Sun Aug 03, 2025 05:37 AM
Question about SFX By Alltroo on Thu Jul 31, 2025 05:31 PM	5	100	By Alltroo on Fri Aug 01, 2025 07:51 PM

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