Fellow MVP Kazushi Kamegawa shared a method of changing your profile picture in a private forum, but it stopped working due to some UI changes in the Azure Portal. Luckily, with some more "hackery", we can still make it work!
The tl;dr version:
If you found this blogpost, it's probably safe to assume that you know how to switch tenants. For the purpose of this guide, it is VERY important you do this in your browser because otherwise authentication will get confused ;).
I don't know of any place in the UI that shows the id of your Guest account in a tenant, so I had to find a way using the Developer Tools of Chrome/Edge.
Local storage, select
ts.tenantList. It should only show one result, select it.
userIdproperty. In my screenshot, it is the GUID that starts with
Now that you have your user account ID, you can open up your profile page in the Azure AD of the Guest tenant!
https://portal.azure.com/#blade/Microsoft_AAD_IAM/UserDetailsMenuBlade/Profile/userId/<userId>. Make sure to replace
<userId>with the id you copied in the previous step.
Finally time to upload your profile picture!
It takes a while for your profile picture to show in Teams, and it might even show for a short while and go away again. But if you have enough patience, after about a week or so, your profile picture should show consistently across the Teams UI both for you and for others!
Until Microsoft Teams or Microsoft 365 gives us an easier way to change our profile picture, this is the best way to do it self service. The days of the anonymous circle with initials are over, time to show your personality also in your Guest tenants!
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