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 Conference

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Fantastic People

LibreOffice is about more than software. It’s about people, culture, creation, sharing and collaboration.

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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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LibreOffice project and community recap: July 2026

Here’s our summary of updates, events and activities in the LibreOffice project in the last four weeks – click the links to learn more… We had one update in July: LibreOffice 26.2.5, the fifth maintenance update to the LibreOffice 26.2 branch. We also said a big welcome to our new

read more »

CISA Publishes Open Source Security Guidance: Verifiability Is the Difference

On 30 July 2026, the United States Cybersecurity and Infrastructure Security Agency published Open Source Software: Security Principles and Practices, a 31-page guidance document for federal civilian agencies. It is available at no cost and marked TLP:CLEAR, meaning it may be shared without restriction. The document is addressed to US

read more »

LibreOffice project and community recap: July 2026

Here’s our summary of updates, events and activities in the LibreOffice project in the last four weeks – click the links to learn more… We had one update in July: LibreOffice 26.2.5, the fifth maintenance update to the LibreOffice 26.2 branch. We also said a big welcome to our new

read more »

CISA Publishes Open Source Security Guidance: Verifiability Is the Difference

On 30 July 2026, the United States Cybersecurity and Infrastructure Security Agency published Open Source Software: Security Principles and Practices, a 31-page guidance document for federal civilian agencies. It is available at no cost and marked TLP:CLEAR, meaning it may be shared without restriction. The document is addressed to US

read more »