.ARC ARC Compressed File
.ARJ ARJ Compressed File
.AVI AVI Video/Sound File
.BAK Backup file
.BAS BASIC program file
.BAT DOS 'Batch' command file
.BIN MacBinary File
.BMP Windows Bitmap Graphic
.CDR Corel Draw Graphic
.CLP Clipboard file
.CVS Canvas file
.CGM Computer Graphics Metafile
.COM Executable (binary) file
.CSV Comma Separated Values
.CWK ClarisWorks
.DBF dBase II, III, IV data file
.DIF DIF file (common)
.DLL Dynamically Linked Library
.DOC Multimate (through v3), MS Word
.DOX Multimate v4.0 document
.DXF AutoCad DXF
.ENV Envoy
.EPS Encapsulated PostScript
.EXE Executable (binary) file
.FH Freehand
.FH3 Freehand 3.x
.FM FileMaker or FrameMaker file
.FM3 Lotus 1-2-3 formatting file
.GEM Ventura Publisher GEM
.GIF Graphics Interchange Format(CompuServe)
.GZ UNIX Gzip Compressed file
.HQX Binhex Encoded file
.HTM HTML Document
.IMG Ventura Publisher IMG
.JPG JPEG Graphic file
.LHA LHA Compressed file
.MEM dBase Memory File
.MIF FrameMaker MIF
.MLP MacLinkPlus Print Capture file
.OBJ Compiled object file
.PCC PC Paintbrush file
.PCT PICT
.PCX PC Paintbrush file
.PIC Lotus Graphic file
.PM PageMaker file
.PPT Power Point file
.PRG dBase program
.PRN 'Print' file
.PUB PageMaker 2.0 file
.QED Quicken file
.QXD QuarkXPress file
.RFT DisplayWrite Revisable Form Text
.RTF Rich Text Format
.SAM AmiPro file
.SIT Stuffit Macintosh Archive
.STY MS Word Style Sheet
.SYL SYLK format variations are .SLK, .SK
.SYS DOS system file; usually not translatable
.TAB Tab Text
.TAR UNIX Tar Archive
.TGA Targa graphic file
.TIF TIFF graphic file
.TSV Tab Values
.TXT ASCII Text file (common)
.UUE UUencoded file
.WAV Wav Sound File
.WB1 Quattro Pro Windows 5.0
.WB2 Quattro Pro Windows 6.0
.WDB Works Database file
.WKS Lotus 1A or MS Works spreadsheet
.WK1 Lotus 2A spreadsheet
.WK3 Lotus 3 (3-D)
.WK4 Lotus 4 & 5 (3-D)
.WMF Windows Metafile
.WP OfficeWriter or WordPerfect
.WPD WordPerfect (common); variation is .WP
.WPG WordPerfect graphics
.WPS MS Works Word Processing document
.WPW WordPerfect Works file
.WQ1 Quattro Pro DOS
.WRK Symphony spreadsheet
.WR1 Symphony spreadsheet
.WS WordStar document (common)
.XLC Excel chart
.XLM Excel macro
.XLS Excel spreadsheet
.XLW Excel Workspace
.XY XyWrite (common)
.ZLZW Archive
.Zip Zip Compressed file
.ZOO Zoo Archive file