Four Easy Ways to Open CMW Files

The scenario: You have a file with the CMW file extension on your computer that you need to open. You double-click it as usual, expecting for a program to load it up, but sadly nothing happens. You try it again, but still nothing happens. What can you do? Try these four easy methods to open a troublesome CMW file.

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1File types that are unsupported can be opened in binary format.

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1st Method: Open it in another program.

When you double-click CMW files, your computer attempts to open it in a program associated with CMW files. If there’s no program associated with CMW files on your computer, the file won’t open. To open the file, download one of the most popular programs associated with CMW files such as COM-Watch or Custom Maintenance Wizard File.

2nd Method: Take a hint from the file type.

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The CMW file extension usually indicates it's under the umbrella of Uncommon Files. However, if it’s another file type, it might not open with one of the programs listed above. Take the following steps to find the file type:

  1. Right-click the file.
  2. Click “Properties” (Windows) or “More Info” (Mac).
  3. Locate the file type under either “Type of File” (Windows) or “Kind” (Mac).

3rd Method: Check with the developer.

So you’ve tried using a different program, you’ve confirmed the file type, and your CMW file still won’t open. Even if these methods were unsuccessful, you might still be able to reach out to a software developer for help. Use the chart below to find the developer for each of the programs mentioned above and contact them directly for assistance.

Software Developed By
COM-Watch Microsoft Developer
Custom Maintenance Wizard File Microsoft Corporation

4th Method: Open it in a universal file viewer.

If the developer isn’t able to help, a universal file viewer probably can. File Magic (Download) and similar programs are designed to open a wide variety of file formats, including CMW files. Some aren’t compatible and will only open in binary. Download File Magic now to open you CMW and hundreds of other file types with one program!

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