A daily updated filename extension database!

SIS file extension

The table below provides useful information about the .sis file extension. It answers questions such as:

  • What is the .sis file?
  • What program do I need to open a .sis file?
  • How can the .sis file be opened, edited or printed?
  • How can I convert .sis files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ Symbian Install Package

Symbian Install Package .sis file icon
SIS file is a Symbian Install Package. The SIS file is a standard and convenient way to distribute Symbian applications.
Category: Archive files
Application: SIS Builder
Mime-type: application/vnd.symbian.install
Magic number: -
Magic string: -
Sample: -
SIS aliases:
SIS related links:
SIS related extensions:
Nokia Phone Add-on Software

SymbianOS Compiled Resource

SymbianOS Compiled Application

Symbian Series 3 Install Package

S60 Web Runtime Widget Package

Android Application Package

SymbianOS Pre-processed Resource

SymbianOS Resource Header

Android Compiled Executable

SymbianOS Dynamic Shared Object

✅ Steam Game Backup Info

Steam Game Backup Info .sis file icon
SIS file is a Steam Game Backup Info. Steam is a digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation.
SIS format description not yet available
Category: Data files
Application: Steam
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SIS aliases:
SIS related links:
SIS related extensions:
Steam Game Cache File

Steam Game Backup Data

Steam Game Backup Metadata

Valve Steam Client Registry Data

Steam Package Data

Valve Steam Compressed Game Resource

Steam Guard Data

Valve Steam Data File

Valve Steam Cache Data

Other types of files may also use the .sis file extension.

🚫 The .sis file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cis, eis, is, iss, si, sic, sie, siq, siw, six, siz, sjs, sks, sls, sos

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

EIS Spectrum Analyser Project
Adventure SOS Compiled Walkthrough
Oracle 7 Configuration Data
ZooImage Series Description
SIE Data
SAP Business Objects Shared Security Information File
Modula-3 Intermediate Assembly File
ANSYS EnSight Master Server Data
SimCity 3000 Custom Buildings File
Scheme Source Code

🔴 Can't open a .sis file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .sis file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .sis file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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