What happens if I cancel Microsoft 365?
See what stops when you cancel Microsoft 365, what may stop later, what could be deleted, and what to export and move first so mail, files, phones and sign-ins keep working.
Official sources last reviewed · How we review
Check what cancelling would affect
A few questions, revealed as they become relevant. Your answers stay in this browser.
Start with the basics
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Your plan so far
19things this change touches
- critical7
- high7
- moderate4
- low1
Updates as you answer. Every item will explain why it’s there.
What could break
In a typical cancel microsoft 365 plan, these are the most serious things to get right.
Mail, Teams, OneDrive and SharePoint stop for users
Critical · Business operations
Email, chat, calls and shared files stop for the whole organization at once.
Cancelling, turning off renewal and deleting work differently
Critical · Subscriptions & billing
Choosing the wrong option can cut off staff on the spot or delete files with no recovery period.
Know what happens after the subscription ends
Critical · Subscriptions & billing
Data is deleted while you think there's still time, or users lose access earlier than expected.
Finish moving mail and files first
Critical · Business operations
Cancelling, downgrading or deleting accounts early can cut the migration short and delete data you haven't copied yet.
Export mailboxes, including shared and archive mailboxes
Critical · Data & files
Years of customer and supplier correspondence are lost.
Copy OneDrive and SharePoint files
Critical · Data & files
Shared team files and personal work files are lost, and deleting a subscription removes SharePoint and OneDrive data immediately.
Point MX records to the new provider before you cancel
Critical · Email delivery
A wrong or partial change can bounce mail or split it between two systems.
Windows computers that sign in with Microsoft work accounts
Critical · Devices
When the work accounts are removed, people may not be able to sign in to their own computers or reach files saved on them.
Test mail to every address at the new provider
Critical · Email delivery
Customer emails bounce or your replies land in spam, and nobody notices for days.
Cancel or turn off recurring billing in the admin center
Critical · Subscriptions & billing
Anything you forgot to move or export is lost.
Before and after you cancel
Before you cancel
- Mail, Teams, OneDrive and SharePoint stop for users
- Cancelling, turning off renewal and deleting work differently
- Know what happens after the subscription ends
- Finish moving mail and files first
- Tell staff the date mail, Teams and files stop
- Export mailboxes, including shared and archive mailboxes
- Copy OneDrive and SharePoint files
- Include shared mailboxes in your export
- Ask users to save browser data, notes and to-do lists
- Mailboxes and OneDrive files of former staff
- Teams chats, channel files and meeting recordings
- Point MX records to the new provider before you cancel
After you cancel
- Cancel or turn off recurring billing in the admin center
- Check the subscription's status and your reactivation window
- Confirm mail still flows after cancelling
- Remove Microsoft 365 records from DNS, including Autodiscover
- Decide whether to delete the Microsoft Entra tenant
- Watch for bounces, password resets and apps still pointing at Microsoft 365
Your own plan adds or removes items based on your answers, and explains why each one is there.
The safe order
Doing things in the right sequence is what keeps you from getting locked out halfway through.
Before the change
Step 1: Decide where email and data are going
Know what stops, how your cancellation option works and when data is deleted.
- Mail, Teams, OneDrive and SharePoint stop for users (critical risk)
- Cancelling, turning off renewal and deleting work differently (critical risk)
- Know what happens after the subscription ends (critical risk)
- Finish moving mail and files first (critical risk)
- and 1 more
Step 2: Export mailboxes and files while you have full access
Users lose access when the cancellation takes effect.
- Export mailboxes, including shared and archive mailboxes (critical risk)
- Copy OneDrive and SharePoint files (critical risk)
- Include shared mailboxes in your export (high risk)
- Ask users to save browser data, notes and to-do lists (high risk)
- and 2 more
Step 3: Move email and DNS for your domain first
MX records, and DNS hosting if it's inside Microsoft 365.
- Point MX records to the new provider before you cancel (critical risk)
- Make sure every alias and group address exists at the new provider (high risk)
- Printers, scanners and apps that send through Microsoft 365 stop sending (high risk)
Step 4: Plan sign-ins, computers and Office apps
Admin access, single sign-on, Windows sign-in, Office apps and devices.
- Windows computers that sign in with Microsoft work accounts (critical risk)
- Keep a Global or billing admin who can sign in throughout (high risk)
- Installed Office apps go into reduced functionality (high risk)
- Services registered to work email addresses (high risk)
Step 5: Check integrations and your Microsoft tenant
Connected tools and other services that share your accounts.
- Integrations connected to Outlook, Teams, OneDrive or SharePoint (high risk)
Step 6: Check billing and how you bought it
Refunds, partners and domains bought through Microsoft 365.
- Check refunds, renewals and who can cancel (moderate risk)
- Domains bought through Microsoft 365 (moderate risk)
Step 7: Verify before you cancel
Open the exports and test mail at the new provider.
- Test mail to every address at the new provider (critical risk)
- Open the exports and confirm they're complete (high risk)
Step 8: Remove your domain from Microsoft 365
Microsoft's cancellation guide asks for this before cancelling.
- Remove your domain from Microsoft 365 (high risk)
During the change
Step 9: Cancel Microsoft 365
Cancel or turn off recurring billing. Don't delete.
- Cancel or turn off recurring billing in the admin center (critical risk)
Verify
Step 10: Confirm the status and your reactivation window
Check what stopped while you can still reactivate.
- Check the subscription's status and your reactivation window (high risk)
- Confirm mail still flows after cancelling (high risk)
Clean up
Step 11: Clean up DNS and decide on the tenant
Remove old records and decide what happens to Microsoft Entra ID.
- Remove Microsoft 365 records from DNS, including Autodiscover (moderate risk)
- Decide whether to delete the Microsoft Entra tenant (moderate risk)
Later
Step 12: Watch for anything still pointing at Microsoft 365
Stragglers usually show up within a few weeks.
- Watch for bounces, password resets and apps still pointing at Microsoft 365 (low risk)
Why this change needs a plan
Cancelling Microsoft 365 affects far more than Outlook. Exchange and shared mailboxes, Teams chats and calls, OneDrive and SharePoint files, installed Office apps, and the Microsoft Entra ID accounts people use to sign in to other apps, and sometimes their own computers, all depend on the subscription.
Microsoft describes stages after a subscription ends, so not everything stops on the same day. Users lose access when a cancellation takes effect, Office apps move to reduced functionality, admins can still reach data for a while, and then data is deleted. Deleting a subscription skips those stages entirely. Timing depends on how you bought the subscription and changes over time.
The safe order is to decide where everything is going, export while you have full access, move mail, phone numbers and sign-ins, check what else shares your tenant, remove your domain, and only then cancel. Check Microsoft's current pages before you start.
Why it matters
A careless cancellation can bounce customer email, delete shared files, cut off business phone numbers and lock people out of apps or their own computers. Most of it is avoidable with preparation and the right cancellation option.
What makes it risky
Risk is highest when Exchange Online still receives your domain's email, when the subscription is deleted rather than cancelled, and when exports haven't been made. Teams Phone numbers, DNS hosted in Microsoft 365, Windows computers that sign in with work accounts and other services in the same tenant add more risk.
Common mistakes
- Deleting the subscription instead of cancelling it, which Microsoft says removes SharePoint and OneDrive data immediately.
- Cancelling before MX records point to a new provider, so customer email bounces.
- Exporting user mailboxes but forgetting shared and archive mailboxes.
- Cancelling while the domain's DNS is still hosted inside Microsoft 365.
- Forgetting that Windows computers sign in with Microsoft 365 work accounts.
- Not porting Teams Phone numbers before the subscription ends.
- Deleting users or the tenant while Azure, Power BI or Dynamics still use it.
Frequently asked questions
What happens when we cancel Microsoft 365?
Microsoft's cancellation guide says users lose access when the cancellation takes effect and the subscription moves to a disabled, reduced-functionality state where admins can still reach and back up data. After that, data is deleted. Turning off recurring billing instead keeps access until the end of the term.
How long is our data kept after cancelling?
It depends on how you bought the subscription, and Microsoft's pages describe the timeline in slightly different ways, so don't plan around a grace period. Export everything before cancelling, and verify the provider's current retention/cancellation policy on Microsoft's subscription lifecycle page.
Can we undo a cancellation?
Microsoft's documentation says Global or billing admins can reactivate a subscription while it's expired or disabled, but not once it's deleted, and buying a new subscription doesn't restore deleted data.
What's the difference between cancelling and deleting a subscription?
Microsoft says cancelling moves the subscription to a disabled state with reduced functionality before data is deleted, while explicitly deleting it skips those stages and removes SharePoint and OneDrive data immediately. Cancel, don't delete.
Will Word and Excel stop working?
Microsoft's documentation says that once a subscription is disabled, users can't use Microsoft 365 apps, which eventually move to a read-only, reduced functionality mode. Plan replacement apps before cancelling.
What happens to our Microsoft Entra ID tenant?
Microsoft's documentation says Entra ID is removed when the subscription is deleted if no other service uses it. Azure, Power BI and Dynamics 365 block tenant deletion, so check what else uses it first.
Do we need to remove our domain before cancelling?
Microsoft's cancellation guide says to remove custom domains you added before cancelling. That means moving users, shared mailboxes and groups off the domain first, and moving DNS hosting if it's inside Microsoft 365.