How to open STEAMSTART files

Did your computer fail to open a STEAMSTART file? We explain what STEAMSTART files are and recommend software that we know can open or convert your STEAMSTART files.

What is a STEAMSTART file?

The STEAMSTART file extension indicates to your device which app can open the file. However, different programs may use the STEAMSTART file type for different types of data.

While we do not yet describe the STEAMSTART file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about STEAMSTART files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic STEAMSTART

These apps are known to open certain types of STEAMSTART files. Since many different programs may use STEAMSTART files for different purposes, you may need to try a few of the apps to open your specific STEAMSTART file.

Steam Client BootstrapperSteam Client BootstrapperUser submitted
Call of Duty - Black OpsCall of Duty - Black OpsUser submitted
BorderlandsBorderlandsUser submitted
Team FortressTeam FortressUser submitted
The Elder Scrolls V - SkyrimThe Elder Scrolls V - SkyrimUser submitted
RageRageUser submitted
Just CauseJust CauseUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with STEAMSTART-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with STEAMSTART-files. If you know one, please use the Suggest link below and tell us about it!