It is a VRML geography file. A virtual world is created in the Virtual Reality Markup Language format. It contains a three-dimensional scene, which user can walk through using a computer interface. It is used for simulating building and landscape designs.
Trouble opening GEO files on windows?
Advanced File Optimizer
Need help opening a GEO file? Advanced File Optimizer will do this for you. Opening a GEO file only takes a few clicks and is very easy, even for novice users.
Compatible with Window XP, Vista, Win7
There are 1 other filetypes using the GEO file extensions:
.GEO -
Database file
It is an eXplorist GPS geocache manager database file. An eXplorist GPS unit is a GPS tracking device that utilizes global positioning system to be able to know the precise location of a person, a vehicle, or any other thing to which it is attached, and to record its position at intervals. The location data is stored in the tracking unit, and is sent to a main location database.
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It is a VRML geography file. A virtual world is created in the Virtual Reality Markup Language format. It contains a three-dimensional scene, which user can walk through using a computer interface. It is used for simulating building and landscape designs. 
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