File extension CTL (.CTL) information

Windows cannot open CTL files?

If Windows is unable to open file extension .CTL 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 .CTL file extension identifies a Visual Basic User-defined Control file which identifies the file as belonging to the Microsoft Visual Studio development environment and may contain Visual Basic library code. This application can be used to compile a working executable or utility within Microsoft Windows.. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair CTL file extension association errors.


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  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.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