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- Supporting RPM and CPIO archives.
- 7-Zip now can unpack WIM archives.
- New program: 7-Zip File Manager.
2.30 Beta 30 2003-04-19
- Compression and decompression speed were improved....

to current directory.
9.11 beta 2010-03-15
- Updating 7z archives in Beta 8 and 9 didn't work.
Default charset for list files is UTF-8 now.
- Some bugs were fixed.
- "7-Zip" and "System" submenus in "Files" menu...

- Supporting RAR 3.0 archives.
4.60 beta 2008-08-19
9.09 beta 2009-12-12
- New features in compressing / decompressing window.
- Encryption strength for .7z format was increased.
2.30 Beta 21 2002-07-08...

- New localization: Norwegian Nynorsk.
- FAR Plugin was improved:
- Small bugs were fixed.
- Now it's possible to specify the size of solid block and the number
- 7-Zip File Manager now...

4.26 beta 2005-08-05
Recommended size of RAM: 1 GB or more.
- Updating solid 7z archives now is supported, if it doesn't
update (-u with action #3).
in console version (-m switch).
- The support for archives in...

- "compress and send to email" code was improved to support more email clients.
- 7-Zip now doesn't interrupt the compressing when it can not open file.
- Some bugs were fixed
- Bug in v4.11 beta...

9.18 beta 2010-11-02
4.07 beta 2004-10-03
- 7-Zip can unpack multivolume CAB archives
- 7-Zip now can unpack NTFS, FAT,...

- BZip2 compressing / decompressing now can work in multi-threading mode
- Percent indicating for some operations.
3.09.01 beta 2003-09-06
- Opening archive items in Explorer.
- 7-Zip now supports PPMd compression in ZIP...

- Command line version now doesn't allow absolute paths
- Encrypt file names option
- 7-Zip can unpack multivolume CAB archives
- 7-Zip now supports LZMA compression for .ZIP archives.

- -x switch with relative paths now affects files specified with absolute paths
2.30 Beta 3 2001-09-10
- New localizations: Friulian, Macedonian, Mongolian, Tamil, Thai
2.30 Beta 9 2002-01-...

- Encryption feature for zip format.
- 7z archive format is default for 7z.exe and 7za.exe.
- More compressing parameters for zip and gzip
- Bugs of 7-Zip 4.46 beta were fixed: BZip2 could work...

- 7-Zip now can unpack some TAR and ISO archives with incorrect headers.
non-solid and some solid 7z archives with such skipped files.
- Favorites menu in 7-Zip File Manager
- FAR Plugin incorrectly processed
- 7-Zip now...

7z a -mf=delta:4 a.7z a.wav
- 7-Zip now doesn't interrupt the compressing when file is locked by
- 7-Zip now can unpack ISO archives and some installers created by NSIS
- Supporting Zip archives...

Also you must have administrator's rights for your system.
2.30 Beta 14 2002-02-10
shows memory usage.
- Drag-and-Drop from external application
- The bug in 7-Zip 4.48 - 4.52 beta was fixed:
- Some bugs were fixed...

- 7-Zip now supports right-click Drag and Drop in Explorer
commands with non-recursive wildcards in combination
- New SFX module for installers.
- Automatic adding of extension to archive name in...