Quick answer01
Signing out disconnects Office apps from services and can affect activation; Microsoft notes that signing out does not automatically sign out the OneDrive sync app.
What happens if you sign out of Microsoft 365? — immediate effect
- Office disconnects from the signed-in Microsoft account on that app/device.
What happens if you sign out of Microsoft 365? — next milestone
- Office may prompt you to sign back in to remain activated.
What happens if you sign out of Microsoft 365? — later outcome
- OneDrive sync can continue separately unless you remove/sign out of OneDrive itself.
What happens if you sign out of Microsoft 365? — data and files
- Your documents are not automatically deleted just because you sign out.
What happens if you sign out of Microsoft 365? — billing
- Your subscription can continue billing.
What happens if you sign out of Microsoft 365? — visibility
- No public notification is sent simply because you signed out.
What happens if you sign out of Microsoft 365? — pre-action checklist
- Save work first.
- Check whether OneDrive should also be disconnected.
- Do not confuse sign-out with subscription cancellation.
Provider-specific note: Rules can vary by country, plan, device, or account type.
What happens if you sign out of Microsoft 365? — source trail
- Microsoft Support — Sign out of OfficeOfficial source ↗
EDITORIAL METHOD
What happens if you sign out of Microsoft 365? — source-led interpretation
What happens if you sign out of Microsoft 365? separates the provider's documented state changes from the planning steps we recommend. The source list is the authority for account-specific rules; the editorial layer explains how to preserve data, billing control, shared access and recovery while making this change.
Read the verification methodology →