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How to Fix Empty Group Members Popover in Microsoft Project for the Web

Tauseeq MagsiTauseeq Magsi Oct 16, 2026 869 views

Question details

The user is unable to add team members or connect a project to a group because the member selection dialog appears completely empty.

How to Fix Empty Group Members Popover in Microsoft Project for the Web
Product
Microsoft Project for the Web
Device & OS
not provided
Scenario
Attempting to assign users to a project by opening the group member selector or the 'Connect your project to a group' dialog.
Observed behavior
The group member selector and group connection dialog boxes are completely blank, and restarting the application does not resolve the issue.
Before you start

Ensure you have an active internet connection and the appropriate organizational permissions to view, create, or manage Microsoft 365 groups within your tenant.

Solution 1Recommended

Switch Browsers or Use Incognito Mode

Bypassing browser-specific caching errors and extension conflicts by accessing the application through a different supported web browser.

Often, browser cache, stored cookies, or conflicting browser extensions can cause popover dialogues in Microsoft web apps to render improperly.

While clearing the cache in the current browser is a standard step, switching entirely to a different browser frequently proves to be the most reliable and immediate solution.

1
Open a different web browser

Launch an alternative supported browser. For example, if the popover is blank in Microsoft Edge, open Google Chrome instead.

2
Log in to Microsoft 365

Navigate to Project for the Web and sign in to your Microsoft account.

3
Test the member selector

Click on the group member selector or the 'Connect to a group' option to verify that the list now populates correctly.

Switch Browsers or Use Incognito Mode
Verified Fix: Many users have confirmed that opening the project in Google Chrome instantly resolved the issue when Edge was displaying a blank dialog.
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Frequently Asked Questions

Why is the Microsoft 365 group list empty even after I create one?

New groups created in Microsoft 365 or Azure Active Directory can sometimes take time to propagate across all services. Pre-creating the group via Microsoft Teams or SharePoint often forces a faster synchronization, making it visible in Project for the Web.

Will clearing my browser cache always fix the blank popover?

Not necessarily. While clearing the cache and cookies removes outdated browser data that might cause display issues, many users find that switching to a completely different browser, such as moving from Edge to Chrome, is a much faster and more reliable workaround.

Do I need special permissions to connect a project to a group?

Yes. To connect a project to a Microsoft 365 group, you must be the owner of that specific project and have the appropriate administrative permissions within your organization's tenant to create or manage groups.