Open SITX files

  • Full name
    StuffIt Archive Format
  • Developer
    Smith Micro
  • Popularity
Have you encountered a problem with a SITX file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a SITX file here. In the further part of this page we have added a list of programs that should open your SITX file. It is enough you choose a proper application for your operating system, download and install it.

What is SITX file?

SITX is the extended format of the archive format SIT. SITX or SIT is a commercial format of the software Stuffit for archiving and compressing data. The format originally came from the Apple Macintosh and was also the long-standing archival format on this platform. Windows versions of Stuffit have been available since 2007, but so far SITX has no meaning there.

More info

To create a Sitx file you need at least StuffIt, the Deluxe version is not necessary. In addition to high encryption (eg RC4 512Bit, Blowfish 448Bit) the SITX format offers above all special recognition routines for various data types. For example, jpegs, pdf files or MP3s are compressed according to the manufacturer's statement with a respective optimized method. To make SITX files usable for older versions of Stuffit, you can enable a compatibility option.

For unpacking a SITX file, you can also fall back on the free of charge provided by the manufacturer Smith Micro Stuffit Expander. On the Apple platform included the Stuffit Expander up to OSX 10.3, from OSX 10.4 you have to download it yourself from the manufacturer side.

Programs which can open a SITX file

How to open file with SITX extension?

In order to open a file with SITX extension one of the following programs must be installed on user’s system. If a problem with opening SITX file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with SITX files, follow the instructions below.
Install iArchiver or other program from the list

Most often resolving problems with opening SITX files is very simple. Just install an appropriate program that supports such files. All of the listed programs support SITX files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of SITX files or offer file conversion options, but may not be capable of editing such files.

Set iArchiver as the default program for opening SITX files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate SITX files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the iArchiver applications is not on the list, select "Browse" option in order to manually locate the directory where iArchiver has been installed.


Check the section that lists most common problems with SITX files

Sometimes problems with opening SITX files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • SITX files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open SITX files (should that be the case, please contact your system administrator or IT specialist)
  • SITX file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)

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