• Vehicles, Boats
• universal GRA file viewer
• June 27, 2026

A GRA file is usually a graph- or chart-related file, but the exact meaning depends on the software that created it. The `.gra` extension is not limited to one program, so you should not automatically assume that every GRA file is the same. In many cases, a GRA file may contain chart data, graph settings, axis labels, legends, formatting, and …