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 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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Why and how the Austrian Military moved to LibreOffice (Part 1)

Many government departments around the world are moving away from vendor lock-in by tech giants, and switching to free and open source software like LibreOffice. This helps with privacy, security, and digital sovereignty. One such example is the Austrian Military (Bundesheer), which has moved 16,000 PCs from Microsoft Office to

read more »

The characteristics of a truly open document standard format

A truly open document format requires free public availability, royalty-free standards, and no usage restrictions. Organizations like the Open Knowledge Foundation and the European Union use several core rules to guarantee long-term data access, system independence, and freedom from single-vendor control. Core Openness Criteria Public Specification: The complete format rules

read more »

Why and how the Austrian Military moved to LibreOffice (Part 1)

Many government departments around the world are moving away from vendor lock-in by tech giants, and switching to free and open source software like LibreOffice. This helps with privacy, security, and digital sovereignty. One such example is the Austrian Military (Bundesheer), which has moved 16,000 PCs from Microsoft Office to

read more »

The characteristics of a truly open document standard format

A truly open document format requires free public availability, royalty-free standards, and no usage restrictions. Organizations like the Open Knowledge Foundation and the European Union use several core rules to guarantee long-term data access, system independence, and freedom from single-vendor control. Core Openness Criteria Public Specification: The complete format rules

read more »