How to Stop Microsoft 365 Tasks from Moving to the Online Archive
Question details
The user needs to prevent ongoing Microsoft 365 Outlook tasks from being automatically moved to the Online Archive.
- Product
- Microsoft 365
- Device & OS
- not provided
- Scenario
- Active tasks in Outlook are disappearing from the main task list and automatically relocating to the archive.
- Observed behavior
- Ongoing Outlook tasks are being moved to an online archive due to an automated mailbox retention policy, archive policy, or retention tag applied to the account.
Modifying mailbox retention and archive policies requires organizational administrative privileges. You will need to contact your organization's Exchange or IT administrator to perform these checks.
Review and Adjust Mailbox Retention Policies in Exchange Admin Center
Ask your administrator to adjust the retention policy and deletion tags assigned to your mailbox to prevent active tasks from being archived automatically.
In Microsoft 365, background retention policies manage the lifecycle of mailbox items. If a default archive policy applies to the entire mailbox without a specific exclusion for the Tasks folder, your ongoing tasks will be archived alongside standard email messages.
Have your administrator sign in to the Microsoft 365 Exchange admin center using their admin credentials.
Go to 'Recipients' in the left-hand navigation menu, then click on 'Mailboxes'.
Select the affected user's mailbox and review the assigned retention policy under the mailbox properties.
Navigate to the Messaging Records Management (MRM) settings or Compliance Management to review the specific archive and deletion tags. Ensure the tags are modified to exclude the Tasks folder or apply a different timeframe.
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Frequently Asked Questions
Why are my ongoing Outlook tasks disappearing?
Your Outlook tasks may appear to disappear if your organization has an active retention or archive policy that automatically moves older or ongoing items to the Online Archive to save primary mailbox space.
Can I change the retention policy for my tasks myself?
Typically, no. Retention and archive policies are managed at the organizational level for compliance reasons. You must contact your Microsoft 365 or Exchange administrator to request an exception or modification.
Where can I find tasks that were already moved to the Online Archive?
If tasks were relocated by an archive policy, you can find them by expanding your 'Online Archive' mailbox in the Outlook folder pane and navigating to the 'Tasks' folder within that archive.
Do Microsoft 365 retention tags apply to tasks differently than emails?
Retention tags apply to the folder they are assigned to. If a default policy applies to the entire mailbox (including default folders like Tasks), tasks will be subjected to the exact same archiving rules as standard email messages unless a specific tag is applied just for tasks.
