.MFX File

The mfx file extension is associated with Adobe Software for Macintosh.

This type of mfx files were or perhaps still are used in OS X (macOS) version of some Adobe applications for saving user-specific keyboard shortcuts.

Files with mfx extension can be found as some keyboard shortcut settings files for several Adobe products meant for OS X platform.

How to open:

You can perhaps alter the settins manually by opening and editing it using any text editor.

How to convert:

Settings are usually not meant to be converted to anything else.