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Open SIT! file

SIT! files: what are they and how do I open them?

sit! file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

StuffIt Expander archive format

An sit! file extension is associated with the StuffIt Expander program. An sit! file contains compressed archive.

Further details:

The sit! file extension is related to the StuffIt archive format.

StuffIt Expander archive format is first used on Mac computers. Now StuffIt Expander works also under Windows OS.

Mime types:
application/x-stuffit
application/x-sit

Open file with:

StuffIt Expander

A free decompression utility with good file format support

StuffIt Deluxe

A commercial compression utility

StuffIt Deluxe for Mac

A backup and archive utility

StuffIt Expander for Mac

A Mac version of the popular decompression utility

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.sit!" has the file extension "sit!". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.