A sis file extension is associated with Steam Client and used for backup files.

There are 4 other file types using
the SIS file extension!

empty icon.sis - Symbian installation file [common]

empty icon.sis - Psion software installation

empty icon.sis - Student Information System data

empty icon.sis - Sisma database

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SIS file extension - Steam game backup information

What is sis file? How to open sis files?

File type specification:

Backup file type icon Backup file type

sis file icon: sis filetype icon

The sis file extension is associated with Steam Client developed by Valve, available for various platforms.

The sis files contain backup information together with a SIM file and one or several SID files.

The default software associated to open sis file:

Steam icon

Valve Corporation logoSteam  Microsoft Windows software

Company or developer:
Valve Corporation

Steam is digital distribution and multiplayer platform. It is used to distribution of computer games, game updates and also has chat and in-game voices features.

Steam for Mac icon

Valve Corporation logoSteam for Mac  Apple macOS / Mac OS X software

Company or developer:
Valve Corporation

Steam for Mac is digital distribution and multiplayer platform used for distribution of computer games, game updates and also has chat and in-game voices features. On Steam distribute many game developers, such as Electronic Arts, Activision, Bethesda Softworks, id Software etc.

Steam for Linux icon

Valve Corporation logoSteam for Linux  Linux/Unix software

Company or developer:
Valve Corporation

Steam for Linux is digital distribution and multiplayer platform used for distribution of computer games, game updates and also has chat and in-game voices features.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of software applications associated to the .sis file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open sis file, edit sis file, convert sis file, view sis file, play sis file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting sis files.

Programs that can create sis file - Steam game backup information

Programs supporting the exension sis on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for create sis file action.

Microsoft Windows:

Apple macOS / Mac OS X:

Linux/Unix:

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SIM file extension

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