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LibreOffice vs Microsoft 365

LibreOffice scores 25 out of 30 and Microsoft 365 scores 15. LibreOffice is ahead on footprint, lock-in, self-direction, power and longevity. Microsoft 365 is ahead on delivery.

LibreOffice

The small tool

25/30 · Convivial

A full office suite for documents, spreadsheets and slides, from a foundation.

Microsoft 365

The giant

15/30 · Mixed

The office suite that most workplaces run on, sold by subscription.

Footprint
3
2
Lock-in
5
2
Self-direction
4
2
Power
4
1
Longevity
5
3
Delivery
4
5
Price
Free
Paid subscription
Source
Open source
Closed source
Runs on
Windows, Mac, Linux
Windows, Mac, web, mobile
Maker
L · Large
XL · Extra large

What you give up by switching

LibreOffice opens and saves Word, Excel and PowerPoint files, though complicated layouts can shift. It has no built-in shared editing like 365, so teams that write together in real time need something else, such as ONLYOFFICE.

How to move

Open your most complicated documents first to see how they hold up, then switch the rest.

Scores are our opinion on six questions from Ivan Illich, based on public sources and dated October 2026. Read the full reviews of LibreOffice and Microsoft 365, or see how we score.

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