7LSD file extension - @Think C Debugger file
What is 7lsd file? How to open 7lsd files?
File type specification:
The 7LSD file extension is associated with the @Think C Debugger a debugging tool for source codes written in C programming language. The *.7lsd file stores various data used for internal purposes of the app.
The @Think C Debugger seems to be obsolete product.