Is OneNote Online safe?

Clean risk

Create, save, and collaborate on Office documents online with real-time co-authoring.

This extension provides access to Office Online features for creating documents, spreadsheets, and presentations in the browser. It lets users save files to OneDrive and share them with others for real-time collaboration, while also working alongside installed Office desktop apps.

Microsoft Corporationv2.0Chrome Web Store
0Risk
Who publishes it

Microsoft Corporation - 9 other listings from the same operator, none carrying a finding

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
Microsoft Corporation
Declared legal entity
Microsoft Corporation

Same store account

6 other listings published from this account, 6.8M+ users between them, none of them carrying a finding.

Same operator - 3 listings

Published under a different store account, but sharing the registered address, contact or declared legal entity this one gave the store.

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Where it sends data

Destinations our analysis observed OneNote Online contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • OneDrive

    OneNote Online sends data to OneDrive. Named as a recipient by 5 other extensions we have analysed.

Updated 30 September 2026ciniambnphakdoflgeamacamhfllbkmo