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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Video: New features in LibreOffice 26.2

Here’s a selection of new features in LibreOffice 26.2, which we released on Wednesday. (This video is also available on PeerTube.) Please confirm that you want to play a YouTube video. By accepting, you will be accessing content from YouTube, a service provided by an external third party. YouTube privacy policy

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Why OOXML is not a standard format for office documents

Unfortunately, I keep reading about open-source software advocates who happily use Microsoft’s proprietary DOCX, XLSX and PPTX formats for their documents and therefore prefer proprietary software such as OnlyOffice to LibreOffice. Others write outrageous things such as: “OOXML is a standard format, and we have to accept it.” I would

read more »

Video: New features in LibreOffice 26.2

Here’s a selection of new features in LibreOffice 26.2, which we released on Wednesday. (This video is also available on PeerTube.) Please confirm that you want to play a YouTube video. By accepting, you will be accessing content from YouTube, a service provided by an external third party. YouTube privacy policy

read more »

Why OOXML is not a standard format for office documents

Unfortunately, I keep reading about open-source software advocates who happily use Microsoft’s proprietary DOCX, XLSX and PPTX formats for their documents and therefore prefer proprietary software such as OnlyOffice to LibreOffice. Others write outrageous things such as: “OOXML is a standard format, and we have to accept it.” I would

read more »