SITX (StuffIt X Archive)

The SITX Archive file format

Files with the SITX extension have been developed by Smith Micro as an archive format for Stuffit X, a file compression software developed for Mac OS X. Thanks to advanced compression technology, SITX files offer a better compression than its predecessor files with a SIT extension. Compared to SIT files, SITX archives offer 20% better compression rate.

Technical details of SITX files

Some specifications of the SITX file format include the support of long file-names, an in-build error correction and the preservation of file permissions assigned by different operating systems (i.e. Windows & UNIX). SITX files are also able to contain encryption (512-bit) and other security and safety methods. It offers high compression rates of JPG images thanks to the ATOM compression technology used by Stuffit X.

More information about the SITX file format

File extension .sitx
File category Archive
Example file Download example.sitx file (222.57 KiB)
Associated programs Incredible Bee Archiver (Mac)
Smith Micro StuffIt Deluxe (Windows & Mac)
The Unarchiver (Mac)
Useful links More about the SITX file extension
Developer Smith Micro