.MAP | id Software | GIS文件 | Quake Engine Map File | Valve Hammer Editor | Valve |
.MDC | IBM | GIS文件 | Multi Dimension Cube File | Cognos software | IBM |
.MID | Open Source | GIS文件 | MIDI Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MIF | Adobe Systems Incorporated | GIS文件 | FrameMaker Interchange Format File | Adobe FrameMaker | Adobe Systems Incorporated |
.MMM | Magix Software GmbH | GIS文件 | Music Maker Arrangement File | MAGIX Music Maker | Magix Software GmbH |
.MMZ | CREAF and UAB | GIS文件 | MiraMon Compressed Map File | MiraMon | CREAF and UAB |
.MPK | ESRI | GIS文件 | ArcGIS Map Package | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
.MPS | IBM | GIS文件 | Mathematical Programming System File | Vim | Bram Moolenaar |
.MRR | Pitney Bowes | GIS文件 | MapInfo Map Data | MapInfo Professional | Pitney Bowes |
.MSD | ESRI | GIS文件 | Map Service Definition File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
.MTC | Make The Cut, LLC | GIS文件 | Make The Cut! Project | Make the Cut! | Make The Cut, LLC |
.MWM | Keen Software House | GIS文件 | Space Engineers Model | Space Engineers | Keen Software House |
.MXD | ESRI | GIS文件 | ArcGIS Map Document | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
.MXS | Next Limit Technologies | GIS文件 | Maxwell Studio Scene File | Maxwell Render | Next Limit Technologies |
.MXT | ESRI | GIS文件 | ArcGIS Map Template | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |