mpr is: Mpr extension is associated with FoxPro Generated Menu Program. You can open mpr files with Microsoft Visual Fox Pro software.
Mpr extension stands for menu software. It is an advanced database software which developed by Microsoft Visual FoxPro.
The projects which created by FoxPro software use mpr extension.You may need to get detailed information, in this case please check the following links.
Mpr File format viewers or openers
Microsoft Visual FoxPro
Mpr File related links.