ABCDEFGHIJKLMNOPQRSTUVWXYZ
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S/No.ExtensionDescriptionRemarks
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1ascAscii file
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2aviMicrosoft Audio Video Interleave format
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3bmpMicrosoft bitmap
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4cerInternet Security Certificate File ([Crypto Shell Extensions, Internet Control Panel])
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5classJava Binary format
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6csvcomma separated values
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7datanti-virus signature file
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8dgnArcView Design Drawing File (ArcView), Intergraph Graphics (Intergraph software), MicroStation CAD (MicroStation, Autodesk Architect Desktop, many other CAD applications)
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9docWord document
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10docxWord document (Office 2007)
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11dotMS Word Document Template (OpenOffice, MS Word)
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12dwfAutodesk Design Web Format (Autodesk, other graphic applications)
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13dwgAutoCAD Drawing Database (Autodesk, Adobe Illustrator, MicroStation, Intergraph, many other drawing applications including MS Office)
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14dxfAutoCAD Drawing Interchange Format (AutoCAD, Intergraph, Adobe Illustrator, many other CAD applications)
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15entMolecular file format
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16epsEncapsulated PostScript format
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17gifGraphic Interchange Format
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18gzGNU Zip compression format
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19htmHypertext markup (Webpage)
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20htmlHypertext markup (Webpage)
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21jpegJoint photographic experts group bitmap
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22jpgJoint photographic experts group bitmap
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23logLog file
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24mpegMotion picture experts group video
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25mpgMotion picture experts group video
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26mppProject Project; BX-24 Basic Express Compiler Map; CAD Drawing File; Musepack Audio File; Zortech 3 README File
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27msgMicrosoft Outlook Item; used to represent individual email messages, appointments, contacts, tasks, and so on in the file system.
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28msoMicrosoft FrontPage
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29odbOpenOffice/StarOffice OpenDocument (Ver 2) Database (XML); ABAQUS File; ArcView Object Database ASCII File; Psion Organiser Datafile and LZ Diary File
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30odf
OpenOffice/StarOffice OpenDocument (Ver 2) Formula (XML); BattleZone Cartographers Guild File; OnkoS Data; Open Document Interchange (ODIF); Star Trek Armada Ship/Structure Information
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31odgOpenOffice/StarOffice OpenDocument (Ver 2) Graphics Document (XML)
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32odpOpenOffice/StarOffice OpenDocument (Ver 2) Presentation (XML); Oedipus
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33odsOpenOffice/StarOffice OpenDocument (Ver 2) Spreadsheet (XML); NCompass Labs Internet Script; Outlook Express Mailbox
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34odtOpenOffice/StarOffice OpenDocument (Ver 2) Text Document (XML); MindRender Virtual Reality Explorer Kit (VREK) Object File Format
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35p7mSecure Email 2; PKCS #7 MIME Message
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36p7sSecure Email 2; PKCS #7 Signature
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37pcxPaintbrush bitmap
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38pdfAdobe Portable Document File
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39pngPortable Network Graphic format
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40potPowerPoint Template; Animation; Fractint Continuous Potential Bitmap (Graphic); GNU Gettext Portable Object Base Translation
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41ppsMicrosoft power point slideshow
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42ppsxPower Point Microsoft Office Open XML Format Presentation Slide Show
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43pptMicrosoft power point slide presentation
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44pptxPower Point Microsoft Office Open XML Format Presentation Slide
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45psdAdobe Photoshop
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46pubPublic Key for PGP
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47rtfMicrosoft rich text format
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48sxcOpenOffice Calculator (SXC)
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49sxdOpenOffice Draw (SXD)
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50sxiOpenOffice Impress (SXI)
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51sxwOpenOffice Write (SWX)
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52tarTape archive
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53tifTag image bitmap file
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54tiffTagged Image Format File
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55txtText
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56vcfVirtual Card File
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57vsdMicrosoft Visio
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58wavWave audio format
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59wmvMicrosoft Windows Media Video
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60xlsMicrosoft Excel
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61xlsxMicrosoft Excel (Office 2007)
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62xmlExtensible Markup Language
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63Zip (No Password)Compressed archive
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64oaFile type used by https://www.verify.gov.sg, used by Notarize
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65jfifJPEG File Interchange Format
added in release v5.57.0 on 12 April 2022
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66movMPEG 4 video container file that is primarily used with Apple's QuickTime program
added in release v5.57.0 on 12 April 2022
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