DWM file extension
The table below provides useful information about the .dwm file extension. It answers questions such as:
- What is the .dwm file?
- What program do I need to open a .dwm file?
- How can the .dwm file be opened, edited or printed?
- How can I convert .dwm files to another format?
Table of Contents
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3 extension(s) and 0 alias(es) found in database
✅ Davis-Wilder Mann Format File

The DWM file is a Davis-Wilder Mann Format File. Davis-Wilder Mann format file is a GCA Mann 3600 command file. The GCA Mann 3600 pattern generator is designed for patterning standard 5" x 5" mask plates for use in optical lithography.
✅ Digital Works Circuit Project

The DWM file is a Digital Works Circuit Project. Digital Works is a circuit simulator for Microsoft Windows written by D. J. Barker at the University of Teesside.
✅ DESQview DWM Data

The DWM file is a DESQview DWM Data. DESQview was a text mode multitasking operating environment developed by Quarterdeck Office Systems.
Other types of files may also use the .dwm file extension.
🚫 The .dwm file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .dwm file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.dwm
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .dwm file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
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