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Fix Microsoft Planner Notifications Not Working for Guest Users

Khadija KhanKhadija Khan Oct 26, 2026 868 views

Question details

Guest users are not receiving email or push notifications from external Microsoft Planner plans.

Fix Microsoft Planner Notifications Not Working for Guest Users
Product
Microsoft Planner
Device & OS
not provided
Scenario
Accessing and collaborating on a partner's Microsoft Planner plan as an external guest user.
Observed behavior
Email and push notifications do not arrive for the external plan, despite functioning normally in the user's home environment and web application.
Before you start

Verify that your Planner notification settings are fully enabled and check your email client's spam or junk folders to ensure alerts are not being filtered.

Solution 1Recommended

Report Guest Notification Limitations to Microsoft

Since missing notifications for guest users is a known system limitation, the most effective action is to submit detailed feedback to the Planner development team.

Guest users often face restrictions with Microsoft Planner notifications, even when all account settings appear correct. Because this is an infrastructure limitation, reporting the exact scenario directly helps the development team address the gap.

1
Access Microsoft Planner

Log in to the Microsoft Planner web application using your guest account credentials.

2
Open the Settings Menu

Click the gear icon located in the upper-right corner of the Planner interface.

3
Submit Feedback

Select 'Send Planner Feedback' from the dropdown menu. Provide a detailed report including your guest account type, the affected external plan, your notification settings, and specific examples of alerts you did not receive.

Report Guest Notification Limitations to Microsoft
Include Detailed Context: Providing concrete examples of missed task assignments or comments will help Microsoft investigate the issue more effectively.
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Frequently Asked Questions

Why do my Planner notifications work in my own environment but not as a guest?

Microsoft Planner handles internal and external routing differently. Guest user profiles often lack the specific Exchange Online mailboxes or permissions required to trigger cross-tenant email and push notifications.

Can I manually turn on notifications for an external plan?

You can check your notification preferences by clicking the gear icon in Planner and selecting 'Notifications'. However, even if 'Someone assigns a task to me' is checked, guest access limitations may still block delivery.

Are push notifications supported for guest users on the Planner mobile app?

Generally, push notifications on the iOS and Android Planner apps are subject to the same cross-tenant limitations as email alerts. They may not function reliably when logged in as a guest.