.MPR File Extension
File Type 1FileMaker Dictionary File
What is an MPR file?
Data file used by FileMaker, a desktop database application; contains a standard dictionary word list used by the software's spell checker; supports multiple languages.
MPR files are stored in the /Extensions/Dictionaries/ folder within the application's installation directory.
File Type 3Direct Mail Project File
.MPR File Association 3
Project file used by older versions of Direct Mail email marketing software; saves all messages, history, and mailing lists in a single file; changed to the .DMPR extension in recent versions of the software so that it wouldn't conflict with the FileMaker Pro ".mpr" file type.