File Extension GTM

.GTM File

File extension: GTM
File type: General Map File


Notes about the GTM file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The GTM file type is primarily associated with 'GPS TrackMaker' by Geo Studio Technologies Ltd.. The file format has the extension .GTM (initials for GPS TrackMaker) and stores all Waypoints, Tracklogs and Routes as well as information related to the screen display, background and grid color, Waypoint text, User-defined text, etc. Digitized images are also included in the .GTM file.

Detailed information for file extension GTM:


Primary association: GPS TrackMaker
Company: Geo Studio Technologies Ltd.
Related links: File Format Information



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension GTM click this link to expand/hide the additional area.

System Info for File Extension .GTM

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: TmFile
EXEFile: C:\Varian\CARYWI~1\Thermal.exe


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