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- Some bugs were fixed.
- Some bugs were fixed
- Some bugs were fixed
4.61 beta 2008-11-23
- The support for archives in installers was improved.


- "Test" and "Info" buttons now work for open archives.
7-Zip created incorrect ZIP archives if file size was
- gzip plugin could not compress empty files.


- 7-Zip now supports WinZip-compatible AES-256 encryption for .ZIP archives.
- Compressing speed and Memory requirements were increased.
- Supporting Bzip2 compression in ZIP archives.
- New localizations: Catalan, Norwegian,...


- New switch for 7za.exe (console version): -slt.
- 7-Zip now can unpack UEFI BIOS files.
- -bd (Disable percentage indicator) switch in
- Supporting encrypted Rar3 archives.
- Bugs were...


- Packet now doesn't contain 7zip.exe, far7zip.reg and
4.61 beta 2008-11-23
2.30 Beta 7 2001-11-04
- Some bugs were fixed
(non-english) charsets.
- New key alias for folder bookmarks: +Alt+Number.


- Command line version now supports short file names (like FILENA~1.TXT)
7z a -mf=bcj2 a.7z a.tar
- New localizations: Armenian, Marathi.
7z a -mf=delta:4 a.7z a.wav
- syntax simplification:...


- 7z.exe, 7za.exe and SFX modules now support Unicode
- Supporting old version of CPIO format.
- Searching start position of archive now is limited by
So don't use it for important data compressing.
- The bug in 7-Zip 4.48...


- New localization: Karakalpak.
2.00 1999-07-18
- Some bugs were fixed
3) -mcl switch: 7-Zip uses local code page.
- If -tType switch is not specified, 7-Zip now uses extension of...


- Speed optimizations in AES code for Intel's 32nm CPUs.
Command line version: -slp switch.
file name extensions
- 7-Zip now shows file names during compressing/decompressing
- Archive headers now always are compressed...


if each solid block contains no more than one file.
- New match finders for LZMA: bt4b, hc3, hc4.
- Updating 7z archives in Beta 8 and 9 didn't work.
- Unicode (UTF-8) support for filenames in ....


- New "Benchmark" command in 7-Zip File Manager.
- Some other bugs were fixed
It measures compressing and decompressing speeds and


- New -spf switch to store full file paths including drive letter to archive.
- RAM requirements for LZMA (7z) decompression were reduced.
3.09.01 beta 2003-09-06
- Supporting Unicode names in...


to GZip archives.
- Some bugs were fixed.
- Viewing properties of file by Ctrl-A.
- New context menu items for .ZIP archives creating.
9.22 beta 2011-04-18
- 7-Zip now can unpack ZIP archives encrypted with...


4.14 beta 2005-01-11
- "7-Zip" and "System" submenus in "Files" menu.
- Switch "--" stops switches parsing
- Compression ratio in Zip/GZip/Deflate in Ultra mode was increased
- New key...


- Some bugs were fixed.
9.16 beta 2010-09-08
- in Fast mode: 16 MB
4.57 2007-12-06
when files have some very big sizes:
- New localization: Tatarish
- New...