Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Sign in to the webmail service for the affected email address first—this distinguishes an Outlook app problem from mail that is also absent from the server mailbox.
1. Check the correct web mailbox
The mailbox may use Outlook.com/Hotmail/Live/MSN, a work or school account, Gmail, Yahoo, or another provider. The Microsoft account used to renew Microsoft 365 is not necessarily the account hosting the missing mailbox.
- Sign in directly to the affected account’s webmail.
- Check whether the old messages appear there.
- Also send a new test message to the affected address from another account.
Then use the matching branch below.
If messages appear on the web but not in Outlook desktop
This points to an Outlook display, account, or synchronization issue rather than server-side loss.
For classic Outlook on Windows:
- Select File → Account Settings → Account Settings.
- Select the affected account and open its account/synchronization settings.
- Set Mail to keep offline to All.
- Finish the change, restart Outlook, and allow it time to synchronize. ^1^
Also verify that Outlook is displaying the same email address you checked in webmail, rather than another Microsoft account.
If messages are also missing from webmail
For an Outlook.com/Hotmail/Live/MSN address, check these locations on a computer:
- Set Filter above the message list to All.
- Check Other, Archive, and Junk Email.
- Check Deleted Items and select Restore for any missing messages.
- In Deleted Items, select Recover items deleted from this folder, choose the messages, and select Restore.
- Review Settings → Mail → Rules for a rule moving messages elsewhere.
Outlook.com retains messages removed from Deleted Items as recoverable for 30 days; this recovery operation is unavailable in the Outlook mobile apps and mobile browsers. ^2^
If this is another provider’s mailbox, perform the equivalent Deleted/Trash, Archive, Junk, rules, and recovery checks in that provider’s webmail.
If the missing messages were sent while the subscription was expired
Expiration itself does not immediately delete existing Outlook.com email. However, expiration can reduce the account’s storage allowance. If the account then exceeded its cloud or mailbox quota, it could not send or receive mail; incoming messages were returned to their senders and must be resent after storage is restored. [^3^](https://support.microsoft.com/accounts-billing/subscriptions/[Subscription ID] "What happens when your Microsoft 365 subscription expires | Microsoft Support")
Those rejected messages are not waiting in Outlook and cannot be recovered from Deleted Items. Ask the senders to:
- Check for a “mailbox full” or nondelivery notice.
- Resend the messages now that the subscription and storage are active.
Verify that renewal was applied to the correct account
- Open the Microsoft account Services & subscriptions page using the same Microsoft account used for the purchase.
- Confirm Microsoft 365 shows a future renewal or expiration date.
- Close all Microsoft 365 applications and reopen them; sign in again if requested. [^4^](https://support.microsoft.com/accounts-billing/subscriptions/[Subscription ID] "Problems renewing a Microsoft 365 subscription | Microsoft Support")
- Send another test message to confirm that new mail is now delivered.
If old mail remains absent after the recovery checks—even if new messages arrive—select Help in Outlook.com, enter the issue, and use Still need help? → Yes to contact Outlook.com support. For a work or school mailbox, contact the organization’s Microsoft 365 administrator instead.
References
- My Outlook 365 e-mail folders are empty but I have not deleted anything - Microsoft Q&A
- Email is missing from your Outlook.com inbox | Microsoft Support
- [What happens when your Microsoft 365 subscription expires | Microsoft Support](https://support.microsoft.com/accounts-billing/subscriptions/[Subscription ID])
- [Problems renewing a Microsoft 365 subscription | Microsoft Support](https://support.microsoft.com/accounts-billing/subscriptions/[Subscription ID])