Your private, free office suite

LibreOffice is a private, free and open source office suite – the successor project to OpenOffice.
It's compatible with Microsoft Office/365 files (.doc, .docx, .xls, .xlsx, .ppt, .pptx) and is backed by a non-profit organisation.

Out now: LibreOffice 25.8

Interface improvements • New spreadsheet functions • Faster file loading

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The artificial complexity of OOXML files (the PPTX case)

This is the third and final post on the topic of the artificial complexity of the OOXML format. This complexity is the result of careful design aimed at preventing interoperability. Developers have to deal with a veritable “maze” of tags, even for the simplest content. This binds users to the Microsoft ecosystem, providing the first […]

read more »

Release of LibreOffice 25.8.2

Berlin, 9 October 2025 – LibreOffice 25.8.2, the second minor release of the free, volunteer-supported office suite for personal productivity in office environments, is now available on our download page for Windows, macOS and Linux. This release includes over 60 bug and regression fixes over LibreOffice 25.8 [1] to enhance the software’s stability and robustness. […]

read more »

The artificial complexity of OOXML files (the PPTX case)

This is the third and final post on the topic of the artificial complexity of the OOXML format. This complexity is the result of careful design aimed at preventing interoperability. Developers have to deal with a veritable “maze” of tags, even for the simplest content. This binds users to the Microsoft ecosystem, providing the first […]

read more »

Release of LibreOffice 25.8.2

Berlin, 9 October 2025 – LibreOffice 25.8.2, the second minor release of the free, volunteer-supported office suite for personal productivity in office environments, is now available on our download page for Windows, macOS and Linux. This release includes over 60 bug and regression fixes over LibreOffice 25.8 [1] to enhance the software’s stability and robustness. […]

read more »