File extension F1 (.F1) information

Click to Run a Free Scan for ( .F1 ) Errors

Windows cannot open F1 files?

If Windows is unable to open file extension .F1 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:

F1 is a file extension associated with 21st Century Mahjong. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair F1 file extension association errors.

Recommendations for file extension F1 users:

General information

Common errors/





File extension F1 scan

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You are currently viewing the detail page for F1 file extension. This page contains a detailed description of the F1 file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.
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File Extension Details