| qmp | SeeYou Raster Map |
| qpj | QGIS Shapefile |
| qrt | QuickRoute Map Data |
| qsz | QPS Fledermaus Shared Scene Archive |
| qu2 | QuoVadis Database |
| qu3 | QuoVadis Database |
| qu4 | QuoVadis Database |
| qv5db | QuoVadis v5 Database |
| qvr | LP360 LAS Pyramiding Data |
| rasmap | HEC-RAS Mapper Data |
| rd5 | Survey Pro Road Alignment Data |
| rdc | Idrisi Raster Format Description |
| rde | ArcGIS Reduced Resolution Dataset External File |
| rdf | ArcGIS Report Document |
| ref | Idrisi Raster Format Geographical Reference |
| rik | SharpMap Map Data |
| Swedish Grid Map |
| rlf | ArcGIS Report Layout File |
| rlk | TNTmips Link File |
| rmap | CompeGPS Raster Map |
| rmp | Magellan eXplorist Raster Map |
| rnf | Carlson SurvCE Road Network Data |
| rou | Garmin MapSource Route Data |
| rrd | ArcGIS Reduced Resolution Dataset File |
| ERDAS Imagine RRD Data |
| rst | Idrisi Raster Format RAW Image |
| rt2 | OziExplorer CE Route Data |
| rtcm | RTKLIB RTCM Data |
| rte | Navigon Mobile Navigator Route Data |
| OziExplorer Route Data |
| rtg | RiverTools Grid Data |
| rtkt | GeoVisu Downloaded Royaltek Tracklog |
| rtmap | CompeGPS TwoNav Overview Layer |
| rtx | Bike GPS RichTrack Data File |
| rtz | ECDIS Route Data |
| rtzp | ECDIS Route Package |
| rupi | Sygic POI Database |
| rus | GisRussa Map |
| Navitel Navigator Map Data |
| rw5 | Survey Pro Data |
| rxm | GisRX GPS Navigator Map |
| rxo | RINEX Observation Data |
| s3mb | SuperMap GIS Spatial 3D Data |
| sa4 | DeLorme Street Atlas USA Map Data |
| sa5 | DeLorme Street Atlas 5 Map Data |
| sa6 | DeLorme Street Atlas 6 Map Data |
| sa7 | DeLorme Street Atlas 7 Map Data |
| sa8 | DeLorme Street Atlas 8 Map Data |
| saf | Spatial Archive Interchange Format Data |
| saif | Spatial Archive Interchange Format Data |
| sbf | Septentrio Binary File |
| sbn | ArcGIS Spatial Index |
| GT-31 Binary SIRF Data |
| sbp | GT-31 SIRF Data |
| sbx | ArcGIS Spatial Index |
| scp | SuperMap GIS Spatial 3D Description |
| scs | HERE Maps for Android SCS Map |
| sd | ArcGIS Service Definition Data |
| sddraft | ArcGIS Service Definition Draft Data |
| sdf | Autodesk Mapguide Spatial Data |
| sdi | ArcGIS Spatial and Attribute Index |
| sdlic | ArcGIS Data License |
| sdm | Spatial Data Modeling Language Data |
| sdml | Spatial Data Modeling Language Data |
| sds | Cadcorp SIS Shared Dataset |
| sdw | MrSID World Data |
| sed | Cadcorp SIS Export Dataset |
| serverstyle | ArcGIS Server Style Data |
| shd | ArcInfo Shadeset Symbol Data |
| shp | ArcView Shape File |
| shx | ArcView Shape Index |
| shz | ArcView Zipped Shapefile |
| sidx | SharpMap Spatial Index |
| sld | Styled Layer Descriptor Profile |
| slpk | ArcGIS Desktop Scene Layer Package |
| smm | Edina Map Manager Schema |
| smp | Idrisi Raster Format Color Table |
| smw | SuperMap Desktop GIS Workspace |
| smwu | SuperMap Desktop GIS 6R Workspace |
| sos | SOSI Spatial Data |
