An macs file extension is related to the Apple Mac OS Classic operating system. Probably obsolete format.
There is one other file type using
the MACS file extension!
.macs - MADRIX encrypted script file
MACS file extension - Apple Mac OS system data
What is macs file? How to open macs files?
File type specification:
The macs file extension is associated with Apple Mac OS (also known as Mac OS Classic) operating system for Apple Macintosh computers.
The macs file stores some kind of system data.
Most likely some old format without support. No further information could be found.
This macs 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.