File extension ONE (.ONE) information

Windows cannot open ONE files?

If Windows is unable to open file extension .ONE 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:

The .ONE file extension identifies Microsoft OneNote note files. OneNote is an application used for taking notes on your PC either by accepting digitized hand written script or otherwise storing directly entered text and dragged-and-dropped from the Internet and other resources. To open, edit or create .ONE files you will need to install Microsoft OneNote.. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair ONE file extension association errors.


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  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.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