How to open Microsoft CodeView screen .@@@ files
Have you had trouble opening the @@@ file on your computer? What are @@@ files? We explain what they are and recommend software that we know will open them.
What is @@@ file?
A @@@ file extension is related to the Microsoft CodeView screen format.
Microsoft CodeView screen description
The @@@ file extension is related to the Microsoft CodeView and used for its screen files.
Screen files used in the installation and instruction by e.g. Microsoft CodeView for C. CodeView was a standalone debugger created by David Norris at Microsoft in 1985 as part of its development toolset.
It originally shipped with Microsoft C 4.0 and later. It also shipped with Visual Basic for MS-DOS, Microsoft Basic PDS, and a number of other Microsoft language products. It was one of the first debuggers on the MS-DOS platform that was full-screen oriented, rather than line oriented (like its predecessors DEBUG.COM and symdeb).
There is no software record for the .@@@ file extension entry.