What is SIT? What Opens a SIT? File Format List from WhatIs.com

File Extension

SIT File Format

Compressed archive of Mac files (Stuffit)

SIT is a compressed archive file Used by the Smith Micro Stuff-IT expander compression/decompression (codec) utility for the MacIntosh and Windows operating systems. Originally developed by Aladdin Systems. The program supports SIT, ZIP, and TAR formats.

MIME type: application/x-stuffit, application/x-sit


Learn more about SIT files:

Visit the Stuff-IT webpage.

Search for answers to  SIT-related questions at IT Knowledge Exchange.

This was last updated in July 2010
Editorial Director Margaret Rouse

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