Cool Office Suite is the best and free office suite, integrates all office word processor functions: Word, Presentation, Spreadsheet, PDF, and fully compatible with Microsoft Word, Excel, PowerPoint, Google Doc and Adobe PDF format.

[ Cool Office Highlights Features ]

[Opening & Editing & Saving text documents]
In addition to OpenDocument formats (.odt, .ott, .oth, .odm, and .fodt), Word Writer can open the formats used by OpenOffice.org 1.x (.sxw, .stw, and .sxg), the following text document formats, and a variety of legacy formats not listed below:
* Microsoft Word 2007 - 2019 (.docx)
* Microsoft Word 6.0/95/97/2000/XP (.doc and .dot)
* Microsoft Word 2003 XML (.xml)
* Microsoft Word 2007 XML (.docx, .docm, .dotx, .dotm)
* Microsoft WinWord 5 (.doc)
* WordPerfect Document (.wpd)
* WPS 2000/Office 1.0 (.wps)
* .rtf, .txt, and .csv
* StarWriter 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)
* AportisDoc (Palm) (.pdb)
* Pocket Word (.psw)
* eBook (.pdb)
* Apple Pages 4 (.pages)
* HTML Document (.htm, .html)

[Opening & Editing & Saving spreadsheets]
In addition to OpenDocument formats (.ods, .ots, and .fods), Calc can open the formats used by OpenOffice.org 1.x (.sxc and .stc) and the following spreadsheet formats:
* Microsoft Excel 2007 - 2019 (.xlsx)
* 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 XML (.xlsx, .xlsm, .xltx, .xltm)
* Microsoft Excel 2007 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)
* .htm and .html files, including Web page queries
* Pocket Excel (pxl)
* Quattro Pro 6.0 (.wb2)
* Apple Numbers 2 (.numbers)

[Opening & Editing & Saving presentations]
In addition to OpenDocument formats (.odp, .odg, .otp, and .fopd), Impress can open the formats used by OpenOffice.org 1.x (.sxi and .sti) and the following presentation formats:
* Microsoft PowerPoint 2007 - 2019 (.pptx)
* Microsoft PowerPoint 97/2000/XP (.ppt, .pps, and .pot)
* Microsoft PowerPoint 2007 (.pptx, .pptm, .potx, .potm)
* StarDraw and StarImpress (.sda, .sdd, .sdp, and .vor)
* Unified Office Format presentation (.uop, .uof)
* CGM - Computer Graphics Metafile (.cgm)
* Apple Keynote 5 (.key)

[Opening & Editing & Saving PDF]
* Portable Document Format (.pdf)