GIS Files

File extension	File name	Popularity
.ADF file extension	ESRI ArcInfo Binary Grid Format
.APL file extension	ArcPad Layer File
.APR file extension	ArcView Project File
.AQM file extension	AlpineQuest Map File
.AT5 file extension	Lowrance Map File
.ATX file extension	ArcGIS Attribute Index File
.AUX file extension	Auxiliary File
.AVL file extension	ArcView Legend File
.AXE file extension	AutoRoute Map File
.AXT file extension	Microsoft AutoRoute Template
.BIL file extension	ESRI BIL File
.BPW file extension	Bitmap World File
.BT file extension	Binary Terrain File
.COR file extension	Trimble Corrected SSF File
.CUB file extension	ISIS Cube File
.CVI file extension	CassiniVision Map Image File
.DEM file extension	Digital Elevation Model
.DIV file extension	DIVA-GIS Project File
.DIX file extension	DIVA-GIS Export File
.DLG file extension	Digital Line Graph
.DMF file extension	Geosystem Digitals Map File
.DMT file extension	DeLorme Transfer File
.DT0 file extension	DTED Level 0 File
.DT1 file extension	DTED Level 1 File
.DT2 file extension	DTED Level 2 File
.DVC file extension	IDRISI Vector Definition File
.E00 file extension	ArcInfo Coverage Export File
.ERS file extension	ER Mapper Data File
.EST file extension	Streets & Trips Map File
.ETA file extension	Google Earth Placemark File
.FBL file extension	iGO Map File
.FDS file extension	FME Custom Format File
.FFS file extension	FME Desktop Feature Store File
.FIT file extension	Garmin Activity File
.FLS file extension	ArcView GIS Windows Help Supporting File
.FME file extension	FME Mapping File
.FMI file extension	FME Include File
.FMV file extension	FME Desktop Viewspace File
.FMW file extension	FME Workbench File
.GEOJSON file extension	GeoJSON File
.GFW file extension	GIF World File
.GLB file extension	STK Globe File
.GMAP file extension	Garmin Map File
.GMF file extension	Geology Multi-File
.GML file extension	Geography Markup Language File
.GPF file extension	Geosoft Project File
.GPRX file extension	Geoxa Project File
.GPS file extension	Survey Pro Coordinate File
.GPX file extension	GPS Exchange File
.GRB file extension	GRIB Meteorological Data File
.GSB file extension	Golden Software Boundary File
.GSI file extension	Golden Software Interchange File
.GSM file extension	MapViewer Project File
.GSR file extension	Golden Software Reference File
.GSR2 file extension	Golden Software Reference File
.GST file extension	MapInfo Geoset File
.GWS file extension	Geosoft Workspace File
.HDR file extension	ESRI BIL Header File
.HGT file extension	SRTM Elevation Data File
.IMD file extension	GIS Image Metadata File
.IMG file extension	ERDAS IMAGINE Image File
.IMI file extension	Magellan Map File
.JGW file extension	JPEG World File
.JPGW file extension	JPEG World File
.JPR file extension	Fugawi Projection File
.JPW file extension	World File for JPEG
.KML file extension	Keyhole Markup Language File
.KMZ file extension	Google Earth Placemark File
.LAN file extension	ERDAS LAN File
.LPK file extension	ArcGIS Layer Package
.MAP file extension	NAVIGON Map File
.MDC file extension	Merkaartor Document
.MGM file extension	MGMaps File
.MID file extension	MapInfo Data File
.MIF file extension	MapInfo Interchange Format File
.MNH file extension	Master Navigator Header File
.MPK file extension	ArcGIS Map Package
.MPS file extension	Pocket Streets Map File
.MSD file extension	Map Service Definition File
.MWX file extension	MapGuide Author Map Window XML File
.MXD file extension	ArcGIS Map Document
.MXT file extension	ArcGIS Map Template
.NGT file extension	Noni GPSPlot Track File
.NM2 file extension	Navitel Map File
.NM3 file extension	Navitel 5 Map File
.NMAP file extension	NaviComputer Map File
.NMC file extension	ArcGIS Explorer Map Content File
.NMF file extension	ArcGIS Explorer Map File
.NV2 file extension	Navionics Chart File
.OCD file extension	OCAD Map File
.OSB file extension	OpenStreetMap Binary Map File
.OSC file extension	OpenStreetMap Change File
.OSM file extension	OpenStreetMap Map File
.OV2 file extension	TomTom Points of Interest Database
.PIN file extension	MNS Projection Information File
.PIX file extension	PCI Geomatics Database File
.PMF file extension	ESRI Published Map File
.PRM file extension	Route 66 Map File
.PTM file extension	MapPoint Map File
.PTT file extension	MapPoint Map Template
.RDC file extension	IDRISI Raster Documentation File
.RDF file extension	ArcGIS Report Document File
.REF file extension	IDRISI Raster Image Reference File
.RGN file extension	Garmin Regional Map File
.RMP file extension	Magellan Raster Map File
.RRD file extension	Reduced Resolution Dataset File
.RST file extension	IDRISI Raster Image
.SAF file extension	Street Atlas USA Map File
.SBN file extension	ESRI Spatial Binary File
.SDF file extension	Spatial Data Format File
.SDM file extension	Spatial Data Modeling Language File
.SDW file extension	MrSID World File
.SHP file extension	ESRI Shapefile
.SLD file extension	Styled Layer Descriptor File
.SMM file extension	Map Manager Schema File
.SMP file extension	IDRISI Palette File
.SP3 file extension	NGS SP3 File
.SSF file extension	Trimble Standard Storage Format File
.STT file extension	Streets & Trips Map Template
.STYLE file extension	ArcGIS Style Manager File
.SVX file extension	Survex Cavern Data File
.SXD file extension	ArcScene Document
.SYM file extension	TatukGIS Symbols File
.TAB file extension	MapInfo TAB File
.TFRD file extension	Tape Image Format Requirements Document
.TFW file extension	World File for TIFF
.TH file extension	Therion Data File
.TPX file extension	DeLorme Topo Project File
.TTKGP file extension	TatukGIS Project File
.VCT file extension	IDRISI Vector Image
.VDC file extension	IDRISI Vector Documentation File
.VEC file extension	IDRISI Vector File
.WFD file extension	Wayfinder Map File
.WLD file extension	ESRI World File
.WLX file extension	MapSource Web Link File
.WOR file extension	MapInfo Workspace File
.XOL file extension	Swiss Map Overlay
.3D file extension	Survex 3D Cavern File
.3DC file extension	iGO 3D Building File
.3DD file extension	ArcGlobe Document
.3DL file extension	iGO Landmark File
.477 file extension	MNS Shape Definition Companion File