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Trio Office is the best free office software in 2019: alternatives to Word, Excel & PowerPoint. It's compatible with Microsoft Office (Word, Excel, PowerPoint & Txt), Google Docs, Google Sheets, Google Slide and OpenOffice format for windows. Trio Office can open & edit many kinds of files, detail please refer to the following format list: [Text documents] • OpenDocument formats (.odt, .ott, .oth and .odm ) • Open Office formats (.sxw, .stw and .sxg) • Microsoft Word 6.0/95/97/2000/XP/Mac) (.doc and .dot) • Microsoft Word 2003 XML (.xml) • Microsoft Word 2007/2010 XML (.docx, .docm, .dotx, .dotm) • Microsoft WinWord 5 (.doc) • WordPerfect Document (.wpd) • Microsoft Works (.wps) • Lotus WordPro (.lwp) • Abiword Document (.abw, .zabw) • ClarisWorks/Appleworks Document (.cwk) • MacWrite Document (.mw, .mcw) • Rich Text Format (.rtf) • Text CSV (.csv and .txt) • StarWriter/ Star Writer formats (.sdw, .sgl, .vor) • DocBook (.xml) • Unified Office Format text (.uot, .uof) • Ichitaro 8/9/10/11 (.jtd and .jtt) • Hangul WP 97 (.hwp) • T602 Document (.602, .txt) • eBook (.pdb) • Apple Pages 4 (.pages) • HTML Document (.htm, .html) [Spreadsheets] • OpenDocument formats (.ods, .ots, .fods, .sxc and .stc) • Microsoft Excel 97/2000/XP (.xls, .xlw, and .xlt) • Microsoft Excel 4.x–5.0/95 (.xls, .xlw, and .xlt) • Microsoft Excel 2003 XML (.xml) • Microsoft Excel 2007/2013 XML (.xlsx, .xlsm, .xlts, .xltm) • Microsoft Excel 2007/2010 binary (.xlsb) • Lotus 1-2-3 (.wk1, .wks, and .123) • Data Interchange Format (.dif) • Rich Text Format (.rtf) • Text CSV (.csv and .txt) • StarCalc formats (.sdc and .vor) • dBASE (.dbf) • SYLK (.slk) • Unified Office Format spreadsheet (.uos, .uof) • HTML Document (.htm and .html files, including Web page queries) • Quattro Pro 6.0 (.wb2) • Apple Numbers 2 (.numbers) [Presentations] • OpenDocument formats (.odp, .odg, .otp, .fopd, .sxi and .sti) • Microsoft PowerPoint 97/2000/XP (.ppt and .pot) • Microsoft PowerPoint 2007/2010 (.pptx, .pptm, .potx, .potm) • StarDraw and StarImpress (.sda, .sdd, .sdp, and .vor) • Unified Office Format presentation (.uop, .uof) • CGM – Computer Graphics Metafile (.cgm) • Portable Document Format (.pdf) • Apple Keynote 5 (.key) [Graphic files] • OpenDocument formats (.odg, .otg, .sxd, and .std) • Adobe Photoshop (*.psd) • AutoCAD Interchange Format (*.dxf) • Corel Draw (*.cdr) • Corel Presentation Exchange (*.cmx) • Microsoft Publisher 98-2010 (*.pub) • Microsoft Visio 2000-2013 (*.vdx; *.vsd; *.vsdm; *.vsdx) • WordPerfect Graphics (*.wpg) BMP JPEG, JPG PCX PSD SGV WMF DXF MET PGM RAS SVM XBM EMF PBM PLT SDA TGA XPM EPS PCD PNG SDD TIF, TIFF GIF PCT PPM SGF VOR [Formula files] • OpenDocument Formula (.odf and .sxm) • StarMath (.smf) • MathML (.mml) Trio Office is a 3rd party software that is not associated with, endorsed by or affiliated with Microsoft.


Additional information

Published by

GT Doc Studio

Release date


Approximate size

847.45 MB

Age rating

For ages 3 and up



This app can

Access all your files, peripheral devices, apps, programs and registry
Access your Internet connection


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)
Català (Català)
Čeština (Česká Republika)
Deutsch (Deutschland)
Ελληνικά (Ελλάδα)
Español (España, Alfabetización Internacional)
Suomi (Suomi)
Français (France)
Hrvatski (Hrvatska)
Magyar (Magyarország)
Indonesia (Indonesia)
Italiano (Italia)
日本語 (日本)
Nederlands (Nederland)
Polski (Polska)
Português (Brasil)
Română (România)
Русский (Россия)
Slovenčina (Slovensko)
Svenska (Sverige)
ไทย (ไทย)
Türkçe (Türkiye)
Українська (Україна)
Tiếng Việt (Việt Nam)

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