A daily updated filename extension database!

SISX file extension

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

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

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

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

✅ Symbian Series 3 Install Package

SISX file is a Symbian Series 3 Install Package. Symbian OS Installation System file format has been changed and extended in Symbian 9.1 from the original sis file format of previous versions of Symbian OS. The SISX file is a standard and convenient way to distribute Symbian 9.x applications.
SISX format description not yet available
Category: Archive files
Application: Symbian SDK
Mime-type: x-epoc/x-sisx-app
Magic number: -
Magic string: -
Sample: -
SISX aliases:
SISX related links:
SISX related extensions:
Symbian Install Package

Nokia Phone Add-on Software

SymbianOS Compiled Resource

SymbianOS Compiled Application

S60 Web Runtime Widget Package

Android Application Package

SymbianOS Pre-processed Resource

SymbianOS Resource Header

Android Compiled Executable

SymbianOS Dynamic Shared Object

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

🚫 The .sisx file extension is often given incorrectly!

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

isx, sis, six, ssx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Intrasis Object File
Symbian Install Package
Steam Game Backup Info
SIXEL Bitmap
VersaPro Smart Store Document

🔴 Can't open a .sisx 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 .sisx 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 .sisx file extension, write to us!

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