An egd file extension is related to some GIS apps. An egd file stores encrypted grid shape. Probably obsolete format.
EGD file extension - GIS encrypted grid shape
What is egd file? How to open egd files?
File type specification:
The egd file extension is associated with some GIS (Geographic information system) apps. The egd file contains encrypted grid shape.
Most likely some old format without support. No further information could be found.
This egd 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.