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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LibreOffice Conference 2025

September 4 – 6 in Budapest. Join us!

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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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The Role of ODF in Digital Identity and Authentication

Reliable data flows, verifiable signatures and predictable structures are essential for digital identity systems, which touch every aspect of modern digital life. They authorise transactions, confirm requests and guarantee security policies. In this context, the Open Document Format (ODF) offers a transparent, computer-readable foundation for verifying the authenticity of documents and ensuring their long-term integrity. […]

read more »

LibreOffice Asia Conference 2025 Japan is coming!

Tokyo, Japan – The LibreOffice Asia Conference 2025 is scheduled to take place on December 13-14, 2025, at the Internet Initiative Japan Inc. headquarters in Iidabashi Grand Bloom, Tokyo. The event will bring together the Asian Open Source community to discuss developments in LibreOffice, the OpenDocument Format (ODF), and related technologies. The conference features a […]

read more »

The Role of ODF in Digital Identity and Authentication

Reliable data flows, verifiable signatures and predictable structures are essential for digital identity systems, which touch every aspect of modern digital life. They authorise transactions, confirm requests and guarantee security policies. In this context, the Open Document Format (ODF) offers a transparent, computer-readable foundation for verifying the authenticity of documents and ensuring their long-term integrity. […]

read more »

LibreOffice Asia Conference 2025 Japan is coming!

Tokyo, Japan – The LibreOffice Asia Conference 2025 is scheduled to take place on December 13-14, 2025, at the Internet Initiative Japan Inc. headquarters in Iidabashi Grand Bloom, Tokyo. The event will bring together the Asian Open Source community to discuss developments in LibreOffice, the OpenDocument Format (ODF), and related technologies. The conference features a […]

read more »