File extension HDR (.HDR) information

Windows cannot open HDR files?

If Windows is unable to open file extension .HDR 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 .HDR file extension is associated with Apollo HDRU. The .HDR file extension is also associated with data files for the following software: ArcInfo binary files for Environmental Systems Research Institute's software and Cytel's Egret statistical software data files. The .HDR file extension is also associated with HDR (high dynamic range) image files (created with a range of software) when saved using HDRsoft's Photomatix software.. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair HDR file extension association errors.


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  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.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