An abap file extension is related to the ABAP (Advanced Business Application Programming) programming language. An abap file stores source code.
ABAP file extension - ABAP source code
What is abap file? How to open abap files?
File type specification:
The abap file extension is associated with Advanced Business Application Programming, a high level programming language for developing the SAP R/3 platform.
The abap files contain source code written in the programming language.
This abap 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.