Missing_File

How to open a file with .SIS extension?

File Type : Nokia Phone Program (Nokia)
Compatible with (Win10, Win8, Win7, Vista and WinXP)

You'll need a new app to open this .SIS file

Searching for the right program to open .SIS files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.

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What is .SIS file extension?

Information file used by Steam, a gaming service that allows users to download and manage Valve games; contains plain text markups, which describe properties of a game backup; used in the process of restoring game backups. SIS files are backed up with a .SIM file and one or more .SID data files.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open SISfiles:

  • Valve Steam