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

.sis

Description:
SIS file is a Symbian Install Package. The SIS file is a standard and convenient way to distribute Symbian applications.

SIS format description

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:

.aos

Nokia Phone Add-on Software

.rsc

SymbianOS Compiled Resource

.app

SymbianOS Compiled Application

.sisx

Symbian Series 3 Install Package

.wgz

S60 Web Runtime Widget Package

.apk

Android Application Package

.rpp

SymbianOS Pre-processed Resource

.rsg

SymbianOS Resource Header

.dex

Android Compiled Executable

.dso

SymbianOS Dynamic Shared Object

✅ Steam Game Backup Info

.sis

Description:
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:

.gcf

Steam Game Cache File

.sid

Steam Game Backup Data

.sim

Steam Game Backup Metadata

.blob

Valve Steam Client Registry Data

.pkv

Steam Package Data

.ztmp

Valve Steam Compressed Game Resource

.ssfn

Steam Guard Data

.vdf

Valve Steam Data File

.cachedmsg

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:

🔴 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:

example.sis

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!