.GMW File Extension
File TypeGlobal Mapper Workspace File
What is a GMW file?
Workspace file created and used by Global Mapper, a GIS application; contains information about any layers displayed on the map, along with settings and configuration applied to the layers.
Workspaces are a main component of Global Mapper, which uses the the GMW file to store the workspaces. The application uses these files to record a snapshot of the user's current map view. To create a GMW file, simply select.