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How to Recover Completed Planner Tasks Missing After the May 2024 Update

Guest Writer Sep 28, 2026 869 views

Question details

The user needs to locate and recover completed tasks that disappeared from Microsoft Planner following a software update.

How to Recover Completed Planner Tasks Missing After Update

Product: Microsoft Planner
Device & OS: not provided
Scenario: Reviewing a Microsoft Planner board and finding that completed tasks are no longer visible after the May 2024 update.
Observed behavior: Completed tasks have vanished from the board, which may be caused by active view filters or a backend server-side syncing issue.

Before you start

Ensure you are signed into the correct Microsoft 365 account associated with your team's Planner board and have a stable internet connection.

Solution 1Recommended

Clear All Planner Board Filters

Active filters can accidentally hide completed tasks from your view. Clearing them is the fastest way to confirm if the tasks are still present.

Microsoft Planner often retains previous filter settings. If a filter excluding completed items is active, the tasks will appear missing even if they are perfectly safe on the server.

Open Filter Options

Navigate to your Microsoft Planner board and click on the 'Filter' button located in the top right corner of the interface.

Clear Active Filters

Click on 'Clear' within the filter dropdown menu to remove any active search queries or status filters.

Verify the Done Bucket

Scroll down your task lists and expand the 'Done' or 'Completed' section to verify if the missing tasks have reappeared.

Quick Check: If the tasks reappear, no further action is needed. The update may have just reset your default view preferences.

Solution 2

Contact Microsoft 365 Administrator for Server Support

If clearing filters does not restore the tasks for any user, there is likely a service-side problem that requires a Microsoft support ticket.

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Frequently Asked Questions

Where are completed tasks usually stored in Microsoft Planner?

Completed tasks are automatically moved to the bottom of their respective columns into a bucket named 'Completed' or 'Done', which can be expanded or collapsed.

Are my missing Planner tasks permanently deleted after an update?

Generally, no. Tasks disappearing after an update is usually a display bug, an accidental filter, or a temporary backend sync error on Microsoft's servers, rather than permanent data loss.

Can standard users submit a support ticket for Microsoft Planner?

No. Support tickets for server-side issues must be submitted through the Microsoft 365 admin center, which requires administrative privileges. Standard users must contact their organization's IT department to do this.

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