UltimateZip offers hundreds of features, but is still easy to use. With it's very flexible user interface, UltimateZip is easy to use for first-time users and offers many features for power users.

Here is a list of the most important features found in UltimateZip, but we recommend downloading an evaluation copy to realize its full potential.

UltimateZip offers supperior ZIP format support. Here are the most important features:

• Support for unlimited file size and unlimited number of files in ZIP archives
  
• ZIP AES support (WinZip 9.0 standards supported)
• Fast and strong compression and decompression
• Multiple disk spanning

7-ZIP is an advanced compression format featured in UltimateZip. It is an open source format, providing an open architecture and high compression ratio. 7-ZIP outperforms most other archive formates. The 7-ZIP format is not controlled by any organization or individual, but by an open source LGPL project to which anyone can contribute. More information about 7-ZIP can be found at 7-Zip.org.

UltimateZip supports most popular compressed and encoded formats currently in use.

• Read and write support for ZIP, 7-ZIP, CAB, LHA (LZH), TAR, GZIP, BZIP2, BH,
  XXE, UUE, and MIME (Base 64)
• Read and extract support for: RAR, ARJ, ARC, ACE, ZOO

UltimateZip comes with full support for WinZip® AES standard(128-bit/192-bit/256-bit AE-1 & AE-2), and offers strong file encryption with the UZE encryption format. Another security feature will protect you from executing potentially unsafe files from the UltimateZip userinterface.

UltimateZip can be configured to work with most virus scanners. (external program needed)

With the build-in backup wizard, it's very easy for you to backup your important data.

UltimateZip comes with a full set of command line tools. All important archive operations can be done via command line.

The Wizard is used to simplify the process of creating, updating, and extracting archives. Even first time users can extract and create zip files without any problem.

UltimateZip Self-Extractor can create Self-Extracting Archives. For extracting these files, no extract program is needed.

Support for creating:
Ace SFX
Arj SFX
Bh SFX
Jar SFX
Lha/Lzh SFX
Rar SFX
Zip SFX (in 3 languages: english, frensh and german)
7-Zip SFX

Zip repair tool:
Repair dammaged Zip files.

Batch compress support:
Compress multiple file to multiple archives.

Batch extract support:
Extract multiple archives with only one mouse click.

Checkout feature:
To examine or run files in an archive.

Zip comment feature:
View and edit Zip comments.

Integrity test:
Test you archives for errors.