DIA file extension - Computer Support Corporation diagraph graphics
What is dia file? How to open dia files?
File type specification:
The dia file extension is associated with applications for Microsoft Windows operating system created by Arts & Letters (Formerly Computer Support Corporation).
The dia file stores any diagraph graphics data.
This dia file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.