CodeWarrior preference file
File type: Settings, options, themes or skins file
A .mmpf file is a CodeWarrior preference file. It stores preference data used by the CodeWarrior integrated development environment (IDE).
File type category:
Settings, options, themes or skins file
Date updated: October 2, 2026
CodeWarrior Development Studio uses MMPF files to store settings and other user preferences for the development environment. CodeWarrior is an IDE used to develop embedded applications for various platforms.
The file is associated with CodeWarrior Development Studio on Microsoft Windows and is normally managed by the IDE rather than edited directly. It is a settings file, not a source-code or project file. The format is associated with legacy CodeWarrior development tools.
Open an .mmpf file through CodeWarrior Development Studio on Microsoft Windows. The IDE normally reads the file automatically from its expected location when it starts.
Because the file contains internal preference data, opening it in a text editor is unlikely to provide useful or safely editable content.
An MMPF file is not normally converted to another format. To preserve its settings, use CodeWarrior Development Studio's own preference or configuration features, where available, rather than editing or converting the file directly.
Software apps that manage or store settings in mmpf files:
Microsoft Windows
Software applications that handle other tasks involving mmpf files:
Microsoft Windows
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