File extension PRJ (.PRJ) information

Windows cannot open PRJ files?

If Windows is unable to open file extension .PRJ 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 .PRJ file extension identifies Project files which are associated with many different software suites, and usually must be opened or edited using the software which created the file. Examples of software which use this file extension include 3D Studio, ArcView and MultiEdit Software's MultiEdit application.. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair PRJ file extension association errors.


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  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.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