Die Hauptfunktionen von 7-Zip sind:

• Hohe Kompressionsrate im neuen 7z-Format mit LZMA-Kompression
• Unterstützte Formate:
  • Packen / Entpacken: 7z, ZIP, GZIP, BZIP2 und TAR
  • Nur Entpacken: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR und Z.
• Bei ZIP- und GZIP-Formaten ist die Kompressionsrate von 7-Zip um etwa 2-10% besser als die von PKZip oder WinZip
• Starke Verschlüsselung mit AES-256 im 7z- und ZIP-Format
• Selbstentpackende 7z-Archive erstellen
• Integration in das Kontextmenü von Windows
• Leistungsstarker Dateimanager
• Leistungsstarke Kommandozeilenversion
• Plugin für den FAR Manager verfügbar
• In 74 Sprachen übersetzt

HISTORY of the 7-Zip
--------------------

9.20 2010-11-18
-------------------------
- Some bugs were fixed.


9.19 beta 2010-11-11
-------------------------
- The console version now doesn't show entered password.
- Some bugs were fixed.


9.18 beta 2010-11-02
-------------------------
- 7-Zip now can unpack SquashFS and CramFS filesystem images.
- 7-Zip now can unpack some TAR and ISO archives with incorrect headers.
- New small SFX module for installers (in Extra package).
- Some bugs were fixed.


9.17 beta 2010-10-04
-------------------------
- Disk fragmentation problem for ZIP archives created by 7-Zip was fixed.


9.16 beta 2010-09-08
-------------------------
- 7-Zip now supports files that are larger than 8 GB in TAR archives.
- NSIS support was improved.
- Some bugs were fixed.
- New localizations: Hindi, Gujarati, Sanskrit.


9.15 beta 2010-06-20
-------------------------
- Some bugs were fixed.
- New localization: Tatar.


9.14 beta 2010-06-04
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- WIM support was improved.


9.13 beta 2010-04-15
-------------------------
- 7-Zip now stores NTFS file timestamps to ZIP archives.
- New additional "Open archive >" item in context menu allows to select
archive type for some files.
- Some bugs were fixed.
- New localization: Uyghur.


9.12 beta 2010-03-24
-------------------------
- ZIP / PPMd compression ratio was improved in Maximum and Ultra modes.
- The BUG in 7-Zip 9.* beta was fixed: LZMA2 codec didn't work,
if more than 10 threads were used (or more than 20 threads in some modes).


9.11 beta 2010-03-15
-------------------------
- 7-Zip now supports PPMd compression in ZIP archives.
- Speed optimizations in PPMd codec.
- The support for archives in installers was improved.
- Some bugs were fixed.
- New localization: Kazakh.


9.10 beta 2009-12-22
-------------------------
- The BUG in 7-Zip 9.09 beta was fixed:
7-Zip created incorrect ZIP archives, if ZipCrypto encryption was used.


9.09 beta 2009-12-12
-------------------------
- 7-Zip now can unpack Apple Partition Map (APM) disk images.
- Speed optimizations in AES code for Intel's 32nm CPUs.
- Speed optimizations in CRC calculation code for Intel's Atom CPUs.
- Some bugs were fixed.


9.07 beta 2009-08-27
-------------------------
- It's possible to specify Diff program in options (7-Zip File Manager).
- Some bugs were fixed.


9.06 beta 2009-08-17
-------------------------
- 7-Zip now can unpack MSLZ archives.
- Partial parsing for EXE resources, SWF and FLV.
- Some bugs were fixed.


9.04 beta 2009-05-30
-------------------------
- 7-Zip now can update solid .7z archives.
- 7-Zip now supports LZMA2 compression method.
- 7-Zip now supports XZ archives.
- 7-Zip now can unpack NTFS, FAT, VHD and MBR archives.
- 7-Zip now can unpack GZip, BZip2, LZMA, XZ and TAR archives from stdin.
- 7-Zip now can open/copy/compress disk images (like \\.\c:) from \\.\ folder.
- 7-Zip File Manager now doesn't use temp files to open nested archives
stored without compression.
- New -scrc switch to calculate total CRC-32 during extracting / testing.
- New -scc{WINDOSUTF-8} switch to specify charset for console input/output (default = DOS).

• 7-Zip 9.20 [Windows 32 Bit]
• 7-Zip 9.20 [Windows 64 Bit]
• 7-Zip 9.20 [Linux]

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