This is a powerful and free office suite which has a lot of features - a perfect alternative to Word, Excel, Powerpoint. The software is 100% FREE and
perfect for users who are on a tight budget.

• Open text documents
  For text files, here are the most common document formats we can open.
  • Microsoft Word (.docx)
  • Microsoft Word 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
  • StarWriter formats (.sdw, .sgl, .vor)
  • DocBook (.xml)
  • OpenOffice formats (.odt, .ott)

• Opening spreadsheets
  For spreadsheets, here are the most common spreadsheet formats we can open.
  • 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)

• Opening presentations
  here are the most common presentation formats we can open:
  • Microsoft PowerPoint 2007 - 2019 (.pptx)
  • Microsoft PowerPoint 97/2000/XP (.ppt, .pps, and .pot)
  • Microsoft PowerPoint 2007 (.pptx, .pptm, .potx, .potm)

• Saving text documents
  You can save your documents in these formats:
  • OpenOffice.org 1.x Text Document (.sxw)
  • OpenOffice.org 1.x Text Document Template (.stw)
  • Microsoft Word 2007 - 2019 (.docx)
  • Microsoft Word 6.0, 95, and 97/2000/XP (.doc)
  • Microsoft Word 2003 XML (.xml)
  • Rich Text Format (.rtf)
  • StarWriter 3.0, 4.0, and 5.0 (.sdw)
  • StarWriter 3.0, 4.0, and 5.0 Template (.vor)
  • Text (.txt)
  • HTML Document (.html and .htm)

-Saving spreadsheet files
You can save your spreadsheets in these formats:
• OpenOffice.org 1.x Spreadsheet (.sxc)
• OpenOffice.org 1.x Spreadsheet Template (.stc)
• Microsoft Excel 2007 - 2019 (.xlsx)
• Microsoft Excel 97/2000/XP (.xls and .xlw)
• Microsoft Excel 97/2000/XP Template (.xlt)
• Microsoft Excel 5.0 and 95 (.xls and .xlw)
• Microsoft Excel 2003 XML (.xml)
• Data Interchange Format (.dif)

-Saving presentations
You can save your presentations in this format:
• OpenOffice.org 1.x Presentation (.sxi)
• OpenOffice.org 1.x Presentation Template (.sti)
• Microsoft PowerPoint 2007 - 2019 (.pptx)
• Microsoft PowerPoint 97/2000/XP (.ppt)
• Microsoft PowerPoint 97/2000/XP Template (.pot)