Geosoft stores all kinds of information in files and datasets (a dataset is a collection of related files). Some of these files are very important and should not be deleted except with extreme caution - like GI (Grid Information) files which store Coordinate Systems and other important details.
Some other files are temporary and I am often asked by users about which file types are safe to delete at the end of a project. Here's a few from my list.
- _filename.ext -- File names that begin with an underscore are usually temporary files that are recreated when the function is re-run, such as gridding and contouring. One exception to watch for: ITR colour files for geochemical database channels (e.g _Cu.itr).
- i0, i3, i4, o0, o3, o4 -- These are import and export templates.
- GD~ -- This file is a temporary database file. It often disappears when the GDB is closed.
- INI -- Configuration settings. Be careful not to delete custom INI files in Target and Target for ArcGIS.
- GM -- Geosoft MAP extension for Geosoft's MapInfo plugin.
- MDF -- Map definition file, used in map creation.
- LOG -- Log file or general report, ofen related to imports in Target and Target for ArcGIS.
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