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 26.2

Markdown support • Connectors in Calc • Spreadsheet speedups

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LibreOffice is Free and Open Source Software. Development is open to new talent and new ideas, and our software is tested and used daily by a large and devoted user community.

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The Document Foundation Releases LibreOffice 26.2.4

Berlin, 5 June 2026 – The Document Foundation today announced the release of LibreOffice 26.2.4, the fourth maintenance update to the LibreOffice 26.2 branch. Building on the major feature release published on February 4, 2026, this update delivers targeted bug fixes and stability improvements contributed by a global community of

read more »

A Standard in Name Only: What OOXML Transitional Tells Us About Format Sovereignty

When a public administration is told its documents are stored in “an ISO standard format,” the assumption is reasonable: an ISO standard ought to be a clean, implementable specification that any qualified software vendor can support. Standards exist precisely so that nobody is locked to a single supplier. OOXML —

read more »

The Document Foundation Releases LibreOffice 26.2.4

Berlin, 5 June 2026 – The Document Foundation today announced the release of LibreOffice 26.2.4, the fourth maintenance update to the LibreOffice 26.2 branch. Building on the major feature release published on February 4, 2026, this update delivers targeted bug fixes and stability improvements contributed by a global community of

read more »

A Standard in Name Only: What OOXML Transitional Tells Us About Format Sovereignty

When a public administration is told its documents are stored in “an ISO standard format,” the assumption is reasonable: an ISO standard ought to be a clean, implementable specification that any qualified software vendor can support. Standards exist precisely so that nobody is locked to a single supplier. OOXML —

read more »