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 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 artificial complexity of OOXML files (the DOCX case)

The complexity of the OOXML format is linked to its design and was deliberately created to make the format more difficult for non-Microsoft software developers to implement. Compatibility issues are caused by a veritable “maze” of tags used even for the simplest content, which binds users to the Microsoft ecosystem in the first example of […]

read more »

LibreOffice Podcast, Episode #5 – Accessibility in Free and Open Source Software

LibreOffice strives to be accessible for people with special needs or limitations, such as visual impairment or limited motor abilities. How does the software work towards this? What accessibility features are in the pipeline? And how can all users help out? We talk to Michael Weghorn about these topics – and more. (This episode is […]

read more »

The artificial complexity of OOXML files (the DOCX case)

The complexity of the OOXML format is linked to its design and was deliberately created to make the format more difficult for non-Microsoft software developers to implement. Compatibility issues are caused by a veritable “maze” of tags used even for the simplest content, which binds users to the Microsoft ecosystem in the first example of […]

read more »

LibreOffice Podcast, Episode #5 – Accessibility in Free and Open Source Software

LibreOffice strives to be accessible for people with special needs or limitations, such as visual impairment or limited motor abilities. How does the software work towards this? What accessibility features are in the pipeline? And how can all users help out? We talk to Michael Weghorn about these topics – and more. (This episode is […]

read more »