👉.rtf = Rich text file (used in WordPad)
👉.txt = Plain text file (used in notepad)
② List of Windows File Extensions
👉.pub – a Microsoft Publisher file extension
👉.docx = document extended (used in M.S.Word 2007/2010/2013)
👉.doc = document (used in M.S. Word 2003)
👉DOT — Microsoft Word document template
👉.xlsx — supported in Excel 2013
👉.xls – Legacy Excel worksheets; officially designated “Microsoft Excel 97-2003 Worksheet”
👉.xlt – Legacy Excel templates; officially designated “Microsoft Excel 97-2003 Template”
👉.xlm – Legacy Excel macro
👉.xlsx – Excel workbook
👉.xlsm – Excel macro-enabled workbook; same as xlsx but may contain macros and scripts
👉.xltx – Excel template
👉.xltm – Excel macro-enabled template; same as xltx but may contain macros and scripts
👉.ppt – Legacy PowerPoint presentation
👉.pot – Legacy PowerPoint template
👉.pps – Legacy PowerPoint slideshow
👉.pptx – PowerPoint presentation
👉.pptm – PowerPoint macro-enabled presentation
👉.potx – PowerPoint template
👉.potm – PowerPoint macro-enabled template
👉.ppam – PowerPoint add-in
👉.ppsx – PowerPoint slideshow
👉.ppsm – PowerPoint macro-enabled slideshow
👉.sldx – PowerPoint slide
👉.sldm – PowerPoint macro-enabled slide
③ Audio File Extensions
👉.aiff = Audio Interchange File Format
👉.mp3 = MPEG-2 Audio Layer III
④ Video File Extensions
👉.avi = Audio video interleave
👉.flv = Flash video File
⑤ Image File Extensions
👉.gif = Graphics Interchange Format
👉Jpg or .jpeg= Joint Photographic Experts Group(used in Microsoft window
photos)
⑥ Web File Extensions
👉.html = Hyper text markup language
👉.aspx = Active Server Page Extended
👉.xml = XML document
⑦ Database File Extensions
👉.ACCDB — Microsoft Database (Microsoft Office Access 2007 and later)
👉.MDB — Microsoft Access database
👉.4DD — 4D database Data file
👉.SDF — SQL Compact Database file
⑧ Compressed File Extensions
👉.win = win rar file .zip = zipped file
⑨ Desktop Publishing File Extension
👉.PMD — Adobe PageMaker
👉.PDF — Adobe Acrobat or Adobe Reader
👉.DTP — Greenstreet Publisher, GST PressWorks
👉.FM — Adobe FrameMaker
👉.WLMP — Windows Live Movie Maker project file
👉.CPT — Corel Photo-Paint
👉.CDR — CorelDRAW
👉.AI — Adobe Illustrator
⑩ Other Important file extensions
👉.fpt = Database memo file
👉.label = Label file
👉.log = Log file
👉.reg = Windows registry data
👉.uni = Unicode text file
👉.ISO — The generic file format for most optical media, including CD-ROM, DVD-ROM, Blu-ray Disc, HD DVD and UMD.
👉.LBR — Library file
👉.GDOC — Google Drive Document