The File Extensions Database


.M65 File Extension

  • Category: Digital video and movie Files

What is an .M65 file?

.M65 is REI Camera System video format

The m65 file extension is used by REI Camera System to save its recorded video files. Very rare video format.

REI Camera System is used for monitoring places, such as schools, vehicles, etc.


How to open:

Only special REI Camera software can possibly playback this format.

How to convert:

We do not know about any possible conversion, but theoretically videos can be converted.

How to solve problems with M65 files

  • Associate the M65 file extension with the correct application. On :
    Windows: Right click on any M65 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.M65 files". Mac: Right click (or Ctrl-click) the M65 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .M65 is REI Camera System video format. Because only the current version supports the latest M65 file format. Search, therefore, e.g. on the manufacturer website after an available .M65 is REI Camera System video format update.
  • To make sure that your M65 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.