file extension GIS - Erdas gray-scale bitmap image
File type specification:
File type data not available.
Extension icon: 
.GIS
File extension GIS description:
File extension GIS entry has not yet been fully verified by File-Extensions.org team. It was added in the past to our library and appeared to be accurate.
If you know more or some useful information about GIS file extension, please send us a message by clicking on submit extension button at the top of page.
.gis