Files with incl file extension may exist. However, at the moment, we do not have any information regarding their origin or purpose.
INCL file extension - Unknown file extension
What is incl file? How to open incl files?
File type specification:
The incl file extension seems to be in use for certain files that are mentioned on the internet. However, we have not yet found their original program nor any specific information about it.
If you know some more useful informations about the incl file extension, please let us know in the discussion below or on our forums.