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 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 LibreOffice Conference 2026 begins!

Yes, the LibreOffice Conference 2026 has started in Pordenone, northern Italy. If you’re attending in-person, we look forward to seeing you! If you want to attend remotely, we will be live-streaming most sessions on the schedule (in track rooms 1 and 2) and making recordings of all. Find out more

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Getting ready for the LibreOffice Conference 2026!

This year’s conference starts in two days, in Pordenone, northern Italy – and we’re getting ready. It’s not too late to register and join us!

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The LibreOffice Conference 2026 begins!

Yes, the LibreOffice Conference 2026 has started in Pordenone, northern Italy. If you’re attending in-person, we look forward to seeing you! If you want to attend remotely, we will be live-streaming most sessions on the schedule (in track rooms 1 and 2) and making recordings of all. Find out more

read more »

LibreOffice Calc now supports general Dynamic arrays features

If you don't know what is dynamic arrays, then just read this article https://exceljet.net/articles/dynamic-array-formulas-in-excel.

Note, dynamic array's functions like UNIQUE, FILTER, SORT, etc. were already implemented early. But other new general dynamic array features were added to LibreOffice Calc only now into current master that will be 27.2 release in next year.

Let's say big thanks to Collabora's[…]

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