Gis File Stands For
Gis extension is associated with greyscale image file. You can try to open gis files with Erdas Imagine.
GIS extension stands for Erdas Imagine.
It is a greyscale image format which developed by Leica Geosystems firm. This firm generally produces softwares that used in image processing.
You have chance to open gis files with different softwares. In this case we can recommend you Acdsee. You are able to download it free from internet.
What needed for openin Gis file
Links stands for Gis file