An spt file extension is related to the Spitbol language source code files.
SPT file extension - Spitbol language source code
What is spt file? How to open spt files?
File type specification:
The spt file extension is associated with the SPITBOL (Speedy Implementation of SNOBOL) programming language originally used for IBM System/360 and System/370 programming.
The spt file stores source code written in Spitbol.
This spt 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.