Opening SET files

Did your computer fail to open a SET file? We explain what SET files are and recommend software that we know can open or convert your SET files.

What is a SET file?

Files that contain the .set file extension can be associated with Microsoft's Backup File Set. The SET file contains the set of files that a user wants to back up. When you back up additional files, the new files are also are added to the SET file archive.

The .set file extension is also used by a number of applications to store the user's application configuration settings and preferences. The file is loaded by the application when the program is run on the system. Some of the applications that commonly use the SET file format for this purpose include Diablo II, AutoCad and Corel Painter.

Try a universal file viewer

In addition to the products listed above, I would suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too! Download Free File Viewer.

By Prof. Jones (The File Expert)

Chief Content Editor and File Expert

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