A .scar file extension is related to the SCAR and used for its script files.
SCAR file extension - SCAR script
What is scar file? How to open scar files?
File type specification:
The scar file extension is related to SCAR (Shite Compared to AutoRune) program that allows users to create macros.
The .scar file contains script or macro created with the program.
This scar 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.