What to do When CONFIG Files Won’t Open

Why won’t your CONFIG file open? You’ve tried double-clicking it, but it doesn’t come up, or you see an error message. So what do you do? This is a common issue with various file extensions because many extensions can be opened by multiple programs, and many programs can open a variety of extensions. It sounds confusing, but it's a lot easier to understand than you might think!

Which program should you use?

Your computer may be trying to use the wrong program to open the CONFIG file, or it may not have a program installed that can open the file. There are a few different programs you can use to open CONFIG files, including Unknown Apple II File, CRiSP Harvest File, and WatchDirectory Task Information software. Try downloading one or more of these from the manufacturer’s website to open your CONFIG file.

What type of file is it?

The file type is the key to opening CONFIG files. CONFIG files are usually considered Developer Files. You may already have a program on your computer that can open this type of file.

If the file type is unknown, you can find it in the file properties by following the steps below.

Computer Files
  1. Right-click the file and click “Properties”.
  2. Look under “Type of File” for the file type.
  1. Right-click the file and click “Properties".
  2. Look under “Kind” for the file type.

Who developed the software?

If you can’t find the right program to open your CONFIG file, a software developer might be able to help you. Contact the developer of one of the most common programs for CONFIG files from the list below.

Software Developer
Unknown Apple II File is developed by found on Golden Orchard Apple II CD Rom
CRiSP Harvest File is developed by Windows Programmer
WatchDirectory Task Information is developed by GdP Software
Rockbox Configuration File is developed by The Rockbox Crew
UNIX Configuration File is developed by Microsoft Programmer
NET Application Configuration Information is developed by Microsoft Corporation

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