| File extension |
File description |
Developer/Producer |
| .3d |
Survex 3D Cavern File |
The Survex Project |
| .3dc |
iGO 3D Building File |
NNG |
| .3dd |
ArcGlobe Document |
ESRI |
| .3dl |
iGO Landmark File |
NNG |
| .477 |
MNS Shape Definition Companion File |
Sapper Oy |
| .adf |
ESRI ArcInfo Binary Grid Format |
ESRI |
| .apl |
ArcPad Layer File |
ESRI |
| .apr |
ArcView Project File |
ESRI |
| .aqm |
AlpineQuest Map File |
MOBAC |
| .at5 |
Lowrance Map File |
Lowrance |
| .atx |
ArcGIS Attribute Index File |
ESRI |
| .aux |
Auxiliary File |
N/A |
| .avl |
ArcView Legend File |
ESRI |
| .axe |
AutoRoute Map File |
Microsoft |
| .axt |
Microsoft AutoRoute Template |
Microsoft |
| .bil |
ESRI BIL File |
ESRI |
| .bpw |
Bitmap World File |
N/A |
| .bt |
Binary Terrain File |
Ben Discoe |
| .cor |
Trimble Corrected SSF File |
Trimble Navigation |
| .cub |
ISIS Cube File |
USGS |
| .cvi |
CassiniVision Map Image File |
CassiniVision |
| .dem |
Digital Elevation Model |
USGS |
| .div |
DIVA-GIS Project File |
N/A |
| .dix |
DIVA-GIS Export File |
N/A |
| .dlg |
Digital Line Graph |
N/A |
| .dmf |
Geosystem Digitals Map File |
Geosystem |
| .dmt |
DeLorme Transfer File |
DeLorme |
| .dt0 |
DTED Level 0 File |
National Geospatial-Intelligence Agency |
| .dt1 |
DTED Level 1 File |
National Geospatial-Intelligence Agency |
| .dt2 |
DTED Level 2 File |
National Geospatial-Intelligence Agency |
| .dvc |
IDRISI Vector Definition File |
IDRISI |
| .e00 |
ArcInfo Coverage Export File |
ESRI |
| .ers |
ER Mapper Data File |
ERDAS |
| .est |
Streets & Trips Map File |
Microsoft |
| .eta |
Google Earth Placemark File |
Google |
| .fbl |
iGO Map File |
Nav N Go |
| .fds |
FME Custom Format File |
Safe Software |
| .ffs |
FME Desktop Feature Store File |
Safe Software |
| .fit |
Garmin Activity File |
Garmin |
| .fls |
ArcView GIS Windows Help Supporting File |
ESRI |
| .fme |
FME Mapping File |
Safe Software |
| .fmi |
FME Include File |
Safe Software |
| .fmv |
FME Desktop Viewspace File |
Safe Software |
| .fmw |
FME Workbench File |
Safe Software |
| .geojson |
GeoJSON File |
GeoJSON |
| .gfw |
GIF World File |
N/A |
| .glb |
STK Globe File |
Analytical Graphics |
| .gmap |
Garmin Map File |
Garmin |
| .gmf |
Geology Multi-File |
N/A |
| .gml |
Geography Markup Language File |
Galdos Systems |
| .gpf |
Geosoft Project File |
Geosoft |
| .gprx |
Geoxa Project File |
Creative GIS Solutions |
| .gps |
Survey Pro Coordinate File |
Tripod Data Systems |
| .gpx |
GPS Exchange File |
N/A |
| .grb |
GRIB Meteorological Data File |
World Meteorological Organization |
| .gsb |
Golden Software Boundary File |
Golden Software |
| .gsi |
Golden Software Interchange File |
Golden Software |
| .gsm |
MapViewer Project File |
Golden Software |
| .gsr |
Golden Software Reference File |
Golden Software |
| .gsr2 |
Golden Software Reference File |
Golden Software |
| .gst |
MapInfo Geoset File |
MapInfo |
| .gws |
Geosoft Workspace File |
Geosoft |
| .hdr |
ESRI BIL Header File |
ESRI |
| .hgt |
SRTM Elevation Data File |
N/A |
| .imd |
GIS Image Metadata File |
N/A |
| .img |
ERDAS IMAGINE Image File |
ERDAS |
| .imi |
Magellan Map File |
Magellan |
| .jgw |
JPEG World File |
ESRI |
| .jpgw |
JPEG World File |
ESRI |
| .jpr |
Fugawi Projection File |
Fugawi Software |
| .jpw |
World File for JPEG |
ESRI |
| .kml |
Keyhole Markup Language File |
N/A |
| .kmz |
Google Earth Placemark File |
Google |
| .lan |
ERDAS LAN File |
ERDAS |
| .lpk |
ArcGIS Layer Package |
ESRI |
| .map |
NAVIGON Map File |
NAVIGON |
| .mdc |
Merkaartor Document |
Merkaartor |
| .mgm |
MGMaps File |
Mobile GMaps |
| .mid |
MapInfo Data File |
Pitney Bowes Software |
| .mif |
MapInfo Interchange Format File |
Pitney Bowes Software |
| .mnh |
Master Navigator Header File |
Sapper Oy |
| .mpk |
ArcGIS Map Package |
ESRI |
| .mps |
Pocket Streets Map File |
Microsoft |
| .msd |
Map Service Definition File |
ESRI |
| .mwx |
MapGuide Author Map Window XML File |
Autodesk |
| .mxd |
ArcGIS Map Document |
ESRI |
| .mxt |
ArcGIS Map Template |
ESRI |
| .ngt |
Noni GPSPlot Track File |
Noni GPSPlot |
| .nm2 |
Navitel Map File |
Navitel |
| .nm3 |
Navitel 5 Map File |
Navitel |
| .nmap |
NaviComputer Map File |
NaviComputer |
| .nmc |
ArcGIS Explorer Map Content File |
ESRI |
| .nmf |
ArcGIS Explorer Map File |
ESRI |
| .nv2 |
Navionics Chart File |
Navionics |
| .ocd |
OCAD Map File |
OCAD |
| .osb |
OpenStreetMap Binary Map File |
Merkaartor |
| .osc |
OpenStreetMap Change File |
OpenStreetMap |
| .osm |
OpenStreetMap Map File |
OpenStreetMap |
| .ov2 |
TomTom Points of Interest Database |
TomTom |
| .pin |
MNS Projection Information File |
Sapper Oy |
| .pix |
PCI Geomatics Database File |
PCI Geomatics |
| .pmf |
ESRI Published Map File |
ESRI |
| .prm |
Route 66 Map File |
Route 66 |
| .ptm |
MapPoint Map File |
Microsoft |
| .ptt |
MapPoint Map Template |
Microsoft |
| .rdc |
IDRISI Raster Documentation File |
Clark Labs |
| .rdf |
ArcGIS Report Document File |
ESRI |
| .ref |
IDRISI Raster Image Reference File |
Clark Labs |
| .rgn |
Garmin Regional Map File |
Garmin |
| .rmp |
Magellan Raster Map File |
Magellan |
| .rrd |
Reduced Resolution Dataset File |
N/A |
| .rst |
IDRISI Raster Image |
Clark Labs |
| .saf |
Street Atlas USA Map File |
DeLorme |
| .sbn |
ESRI Spatial Binary File |
ESRI |
| .sdf |
Spatial Data Format File |
Autodesk |
| .sdm |
Spatial Data Modeling Language File |
N/A |
| .sdw |
MrSID World File |
LizardTech |
| .shp |
ESRI Shapefile |
ESRI |
| .sld |
Styled Layer Descriptor File |
Open Geospatial Consortium |
| .smm |
Map Manager Schema File |
EDINA |
| .smp |
IDRISI Palette File |
Clark Labs |
| .sp3 |
NGS SP3 File |
NOAA NGS |
| .ssf |
Trimble Standard Storage Format File |
Trimble Navigation |
| .stt |
Streets & Trips Map Template |
Microsoft |
| .style |
ArcGIS Style Manager File |
ESRI |
| .svx |
Survex Cavern Data File |
The Survex Project |
| .sxd |
ArcScene Document |
ESRI |
| .sym |
TatukGIS Symbols File |
TatukGIS |
| .tab |
MapInfo TAB File |
Pitney Bowes Software |
| .tfrd |
Tape Image Format Requirements Document |
National Geospatial-Intelligence Agency |
| .tfw |
World File for TIFF |
ESRI |
| .th |
Therion Data File |
Therion |
| .tpx |
DeLorme Topo Project File |
DeLorme |
| .ttkgp |
TatukGIS Project File |
TatukGIS |
| .vct |
IDRISI Vector Image |
Clark Labs |
| .vdc |
IDRISI Vector Documentation File |
Clark Labs |
| .vec |
IDRISI Vector File |
IDRISI |
| .wfd |
Wayfinder Map File |
Wayfinder Systems |
| .wld |
ESRI World File |
ESRI |
| .wlx |
MapSource Web Link File |
Garmin |
| .wor |
MapInfo Workspace File |
Pitney Bowes Software |
| .xol |
Swiss Map Overlay |
swisstopo |
