File extension CNR (.CNR) information

Windows cannot open CNR files?

If Windows is unable to open file extension .CNR you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a free registry scan.

Appropriate program:

CNR is a file extension associated with Pegasus Mail Mail Message in Systemwide Folder . Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair CNR file extension association errors.


  • Performance: To optimize memory and CPU usage for CNR files run a free performance scan.
  • Stability: Fix CNR errors to make your system and applications more stable.
  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.

You are currently viewing the detail page for ABF file extension. This page contains a detailed description of the ABF file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.