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License & Subscription Issues

How to Fix Microsoft 365 Basic Still Showing Ads in Outlook on the Web

Steve KSteve K Oct 19, 2026 868 views

Question details

The user is experiencing advertisements in Outlook on the web even though they have an active Microsoft 365 Basic subscription, which should provide an ad-free experience.

Fix: Microsoft 365 Basic Still Showing Ads in Outlook on the Web
Product
Microsoft 365 Basic
Device & OS
not provided
Scenario
Accessing Outlook.com via a web browser after upgrading to a Microsoft 365 Basic subscription from a paid OneDrive plan.
Observed behavior
Advertisements continue to display in the Outlook.com web interface instead of the promised ad-free experience, despite clearing cache and using private browsing.
Before you start

Ensure you have the exact Microsoft account credentials used to purchase the Microsoft 365 Basic subscription, as you will need them to verify your active plan status.

Solution 1Recommended

Verify Your Subscription and Refresh Your Outlook Session

Check that your Microsoft 365 Basic subscription is fully active and attempt to reset your browser session to force an account sync.

Sometimes, the web browser caches your previous free-tier account status. Verifying the subscription and forcing a fresh login can trigger the ad-free benefit.

1
Verify Subscription Status

Navigate to account.microsoft.com/services and log in with your Microsoft account to confirm that 'Microsoft 365 Basic' is listed as active.

2
Sign Out Completely

Open Outlook.com, click on your profile picture in the top right corner, and select 'Sign out'.

3
Use a Private Browser Window

Open a new InPrivate (Edge) or Incognito (Chrome) browser window to ensure no old cache is applied.

4
Sign Back In

Go to Outlook.com in the private window and sign in using the email address associated with your Microsoft 365 Basic subscription to see if the ads are removed.

Verify Your Subscription and Refresh Your Outlook Session
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Frequently Asked Questions

Why am I seeing ads in Outlook if I have Microsoft 365 Basic?

This typically occurs due to a delay in backend account provisioning, a browser cache issue, or a glitch when transitioning from a legacy standalone OneDrive storage plan to the Microsoft 365 Basic tier.

Will uninstalling and reinstalling Office apps fix the ads in Outlook on the web?

No. Outlook on the web is a browser-based cloud service. Uninstalling local desktop or mobile applications will not remove advertisements from the web interface.

Does clearing my browser cache remove Outlook ads?

Clearing your browser cache or using an InPrivate window can help if the ads are caused by a stale session token. However, if the subscription hasn't properly synced on Microsoft's backend, the ads will persist even in a clean browser.