A 907 file extension is related to the CalComp 907 Plot vector graphic format.
907 file extension - CalComp 907 Plot vector graphics
What is 907 file? How to open 907 files?
File type specification:
The 907 file extension is used for some sort of vector graphic format which was used by CalComp.
Most likely considered obsolete now.
This 907 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.