File Extension Library


.SITD File Extension

  • Developer by: Smith Micro Software, Inc.
  • Category: Archive and compressed Files

What are .SITD files and how to open them?

Can't open .SITD file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .SITD file.

What is a .SITD file extension?

.SITD file extension is created by Smith Micro Software, Inc.. .SITD has been classified as Archive and compressed Files.

.SITD is StuffIt archive

The sitd file extension is associated with the StuffIt, a series of data compression tools for Microsoft Windows and Apple macOS (OS  X) operating systems.

The sitd file stores archive from StuffIt.

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

.SITD file format is deprecated and this file format is no longer supported.

Currently, .SITD file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Use StuffIt to work with *.sitd files.

How to convert:

The easiest way how to convert archive is to decompress the archive with the use of supported archiving or compression tool and repack the content with another compression or archive application of your choice.

How to fix problems with .SITD files

  1. You need to update the application that you normally use to open .SITD files. Only the latest version of the software supports the current .SITD file format
  2. You need to check the .SITD file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)