Trio Office is the best free office software in 2019: alternatives to Word, Excel & PowerPoint Created by ?GT Doc Studio? It’s compatible with Microsoft Office (Word, Excel, PowerPoint), Google Docs, Google Sheets, Google Slide & OpenOffice format.Trio Office can open & edit many kinds of files:[Text]• OpenDocument (.odt .ott .oth .odm )• Open Office (.sxw .stw .sxg)• Word 6.0/95/97/2000/XP/Mac) (.doc .dot)• Word 2003 XML (.xml)• Word 2007/2010 XML (.docx .docm .dotx .dotm)• WinWord 5 (.doc) • WordPerfect (.wpd)• Microsoft Works (.wps) • Lotus WordPro (.lwp)• Abiword (.abw, .zabw) • ClarisWorks/Appleworks Document (.cwk)• MacWrite (.mw .mcw) • Rich Text (.rtf)• CSV (.csv and .txt) • StarWriter/ Star Writer (.sdw .sgl .vor)• DocBook (.xml) • Unified Office (.uot .uof)• Ichitaro 8/9/10/11 (.jtd .jtt) • Hangul WP 97 (.hwp)• T602 (.602, .txt) • eBook (.pdb)• Apple Pages 4 (.pages) • HTML (.htm, .html)… More Info »[Spreadsheets]• OpenDocument (.ods .ots .fods .sxc .stc)• Excel 97/2000/XP (.xls .xlw .xlt)• Excel 4.x–5.0/95 (.xls .xlw .xlt)• Excel 2003 XML (.xml)• Excel 2007/2013 XML (.xlsx .xlsm .xlts .xltm)• Excel 2007/2010 binary (.xlsb)• Lotus 1-2-3 (.wk1 .wks .123)• Data Interchange (.dif)• Rich Text (.rtf)• Text CSV (.csv .txt)• StarCalc (.sdc .vor)• dBASE (.dbf)• SYLK (.slk)• Unified Office (.uos .uof)• HTML (.htm .html files, including Web page queries)• Quattro Pro 6.0 (.wb2)• Apple Numbers 2 (.numbers)[Presentations]• OpenDocument (.odp .odg .otp .fopd .sxi .sti)• PowerPoint 97/2000/XP (.ppt .pot .pptx .pptm .potx .potm)• StarDraw and StarImpress (.sda .sdd .sdp .vor)• Unified Office (.uop .uof)• CGM (.cgm)• PDF (.pdf)• Apple Keynote 5 (.key)[Graphic]• OpenDocument (.odg .otg .sxd .std)• Photoshop (.psd)• AutoCAD (.dxf)• Corel (.cdr .cmx)• Publisher 98-2010 (.pub)• Visio 2000-2013 (.vdx .vsd .vsdm .vsdx)• WordPerfect (.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.
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Trio Office
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 2 |  |
LibreOffice | Mac Windows Android BSD Linux Android Tablet |
Free | Website | |
| 3 |  |
Corel WordPerfect Office | Windows | Commercial | Website | |
| 4 | WPS Office Alternatives and Similar Software | Mac Windows Linux Android iPhone Chrome OS Android Tablet iPad |
Free with limited functionality | Website | ||
| 5 |  |
Polaris Office | Bundleware | Windows Android iPhone Android Tablet Kindle Fire iPad |
Freemium | Website |
| 6 |  |
Office Online | Web | Microsoft Edge | Free | Website |
| 7 |  |
TheRightMargin | Web | Commercial | Website | |
| 8 |  |
FlowCloud |
Web Flowinity Discontinued |
Freemium | Website | |
| 9 |  |
Zoho | Web | Commercial | Website | |
| 10 | ONLYOFFICE Alternatives and Similar Software | Mac Windows Linux Online Android iPhone Android Tablet iPad Self-Hosted Online Android iPhone Android Tablet iPad Self-Hosted |
Free with limited functionality | Website | ||
| 11 |  |
SoftMaker FreeOffice | Mac Windows Android Linux Android Tablet |
Freemium | Website | |
| 12 |  |
Calligra Suite | KDE BSD Linux |
Free | Website | |
| 13 |  |
Apache OpenOffice | Mac Windows BSD Linux PortableApps.com |
Free | Website | |
| 14 |  |
OfficeSuite | Chrome OS Windows Android iPhone Apple Watch Android Tablet Kindle Fire iPad |
Freemium | Website | |
| 15 |  |
Apple iWork | Web | Mac iPhone iPad |
Free | Website |
| 16 |  |
CryptPad | Software as a Service (SaaS) Self-Hosted |
Freemium | Website | |
| 17 |  |
Open365 | Discontinued | Android Self-Hosted |
Free | Website |
| 18 |  |
Documents To Go | Android iPhone Blackberry iPad |
Commercial | Website | |
| 19 |  |
NeoOffice | Mac | Commercial | Website | |
| 20 |  |
Collabora Office | Mac Windows Android iPhone iPad Linux Android Tablet Software as a Service (SaaS) |
Commercial | Website | |
| 21 |  |
Microsoft Office Suite | Mac Windows Android iPhone Android Tablet Windows Phone iPad |
Commercial | Website |