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How to Fix Duplicate Tasks in Microsoft Loop Task Lists

Muhammad Talha Sep 30, 2026 868 views

Question details

Users are experiencing a severe synchronization bug in Microsoft Loop where task lists repeatedly duplicate specific tasks, generating hundreds of copies per day.

How to Fix Duplicate Tasks Multiplying in Microsoft Loop

Product: Microsoft Loop
Device & OS: not provided
Scenario: Managing tasks and collaborating on project lists within Microsoft Loop.
Observed behavior: Tasks continuously duplicate themselves on a massive scale (sometimes over 200 copies a day). The duplication continues even if the user attempts to delete the copies or mark the original tasks as complete.

Before you start

Before attempting to troubleshoot, immediately stop editing or deleting the affected tasks, as interacting with them can sometimes trigger the system to generate even more duplicates.

Solution 1Recommended

Update Microsoft Loop and Re-sync Your Account

Refresh your application session to rule out temporary local synchronization glitches causing the duplication loop.

Sometimes backend synchronization errors can be temporarily resolved by forcing your app to reconnect to Microsoft's servers.

Sign Out of Microsoft 365

Click on your profile picture in the top right corner of the Microsoft Loop interface and select 'Sign out'.

Check for Updates

If you are using the Microsoft Loop desktop or mobile app, visit your respective app store or update settings to ensure you are running the latest version.

Sign Back In

Restart your browser or application entirely, then log back into your Microsoft 365 account to force a fresh synchronization of your workspaces and task lists.

Update Microsoft Loop and Re-sync Your Account

Isolate the Issue: Check if the duplicate tasks also appear in the web version of Microsoft Loop. If the web version is fine, the issue is likely a localized cache problem on your app.

Solution 2

Document and Report the Bug to Microsoft Support

Because this is a known systemic bug within Microsoft Loop's backend, escalating the issue with detailed logs is necessary for a permanent fix.

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Frequently Asked Questions

Why is Microsoft Loop duplicating my tasks endlessly?

This is generally caused by a backend synchronization bug in Microsoft Loop. When a task is updated or modified, the system fails to sync the status properly and mistakenly creates continuous new copies instead of updating the original entry.

Will deleting the duplicate tasks stop them from coming back?

Unfortunately, no. Users consistently report that deleting the duplicates or marking them as complete does not break the cycle. The system will often continue generating new copies until Microsoft resolves the specific backend glitch for your account.

How can I prevent further tasks from duplicating in Loop?

While there is no guaranteed user-side fix for this bug, it is highly recommended to stop editing or interacting with the affected tasks immediately. Continuing to edit the task can trigger further synchronization errors and worsen the duplication rate.

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