File extension M1S (.M1S) information

Windows cannot open M1S files?

If Windows is unable to open file extension .M1S you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a free registry scan.

Appropriate program:

M1S is a file extension associated with MPEG Media files. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair M1S file extension association errors.


  • Performance: To optimize memory and CPU usage for M1S files run a free performance scan.
  • Stability: Fix M1S errors to make your system and applications more stable.
  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.

You are currently viewing the detail page for ABF file extension. This page contains a detailed description of the ABF file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.