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How to Fix Microsoft Project for the Web Stuck on Loading Screen

Natalie TaylorNatalie Taylor Oct 26, 2026 869 views

Question details

Microsoft Project for the Web gets stuck on the loading screen, preventing users from adding activities or managing projects.

How to Fix Microsoft Project for the Web Stuck on Loading Screen
Product
Microsoft Project for the Web
Device & OS
not provided
Scenario
Attempting to access and load a project plan on Project for the Web with a valid Project Plan 3 license.
Observed behavior
The application remains frozen on the loading screen indefinitely across multiple browsers and networks, while other Microsoft 365 apps function normally.
Before you start

Ensure you have a stable internet connection and verify that your Microsoft 365 account has an active Project Plan license assigned.

Solution 1Recommended

Test in a Private Browsing Window and Alternative Networks

Rule out browser cache issues, extensions, or local network restrictions that might block Microsoft Project from loading.

Often, a stalled web application is caused by conflicting browser extensions or corrupted cache data. Isolating the environment helps determine if the issue is local or server-side.

1
Open a Private Window

Launch an InPrivate (Edge) or Incognito (Chrome) browser window to completely bypass stored cache and third-party browser extensions.

2
Log in to Microsoft 365

Navigate to the Microsoft 365 portal, sign in with your credentials, and attempt to launch Project for the Web.

3
Switch Networks

If the project still hangs, disconnect from your current Wi-Fi or corporate network and connect your device to a different network, such as a mobile hotspot, to rule out strict firewall rules.

4
Verify with Colleagues

Ask other users in your organization if they can successfully load Project for the Web to see if it is a localized account issue or a tenant-wide outage.

Test in a Private Browsing Window and Alternative Networks
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Frequently Asked Questions

Why is Microsoft Project for the Web stuck on the loading screen?

This issue is commonly caused by corrupted browser cache, conflicting browser extensions, strict corporate network firewalls blocking Microsoft domains, or backend server outages on Microsoft's end.

Does clearing my browser cache fix Project loading issues?

Yes, clearing your browser's cache and cookies is a common fix. It removes outdated or corrupted temporary data that might prevent the Microsoft 365 portal and Project for the Web from authenticating properly.

How do I know if my Project Plan 3 license is active?

You can verify your license by logging into your Microsoft 365 account portal, clicking on your profile picture, selecting 'View account', and navigating to the 'Subscriptions' page to view all assigned licenses.

Can a network firewall block Microsoft Project from loading?

Yes, corporate firewalls or VPNs can sometimes block specific Microsoft domains and scripts required for Project for the Web to load its data. Testing on an alternate network helps identify if this is the cause.