Files with pl7 extension are used by PLZ-07 programming software. They include source code data.
There is one other file type using
the PL7 file extension!
.pl7 - Graph Saurus bitmap image
PL7 file extension - PL7-07 application file
What is pl7 file? How to open pl7 files?
File type specification:
The pl7 file extension is associated with the PL7-07 programming software for MS-DOS operating system. The .pl7 file contains source code, comments, and symbols for the program written PL7-07 application.