(Docx), Excel (. xlsx), PowerPoint (. pptx) and Publisher. LibreOffice is a powerful and free office suite compatible with MS Office. LibreOffice includes several applications that make it the most versatile Free and Open Source office suite on the market: Writer (word processing), Calc (spreadsheets), Impress (presentations), Draw (vector graphics and flowcharts), Base (databases), and Math (formula editing).
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