Has there been an update to the dimensions of the teams backgrounds? March 13, 2025

Thanks for this tip!

I was able to use images with a width of up to 1800px width (height of 1013px in 16:9) – because 1801px was 1px too much ;-)

And it doesn't matter whether JPG or PNG.

Maybe only for me:

The imported background images are saved in this directory (thanks to @Martin Le Blanc in this thread):

%userprofile%\AppData\Local\Packages\MSTeams_8wekyb3d8bbwe\LocalCache\Microsoft\MSTeams

Manually copied images were ignored (but maybe I should have restarted "more than just" Teams?)

This has worked for me too. Thanks very much.

We have this same error

Work around is to change the background size

• Open in paint
• hit Ctrl + W to resize
• change PIXEL to 1600
• and save the file

This will allow you to upload the image

lol.. hopefully it is not like the OneDrive sync issue at the beginning of the year where they said the same thing... then 3 updates later it was still broken! I don't understand why they can't just create a service health issue when they know an issue is occuring! It is impossible to explain these issues to users that insist on seeing official documentation that there is a known issue.

I don't see anything in Service Health or Message Center today.
I'm starting to have more users report this issue and as you said it would be great to see an advisory or something.

Does anybody else see anything? It's possible I'm overlooking it.

Hello, I had the same issue after fresh install of Windows and Office 365.

I have solved this the following way:

• Went to Windows configuration > Apps > Installed Applications;
• Found Microsoft Teams, clicked the 3 dots on the very right > Advanced Options;
• Scrolled down until I saw Restore option and clicked on "Restore" button.

After that I was able to add the backgrounds that was failing before.

I hope I have helped someone.

This is now listed in the Service Health Page:

Users may be unable to upload background images larger than 1800x1800 during Microsoft Teams meetings

Issue ID: TM1040294

Affected services: Microsoft Teams

Status: Service degradation

Issue type: Advisory

Start time: Mar 24, 2025, 11:38 AM CDT

More info

When attempting to upload a background image larger than 1800x1800, users receive an error message stating "invalid image size" and the upload fails. Users can avoid this issue by resizing the desired image to below the aforementioned dimensions.

Scope of impact

This issue may affect any user attempting to upload a background image larger than 1800x1800 during any Microsoft Teams meeting.

Root cause

A recent change instituted a restriction on image size for background image uploads in Microsoft Teams.

Current status

Mar 26, 2025, 3:37 PM CDT

Our fix to revert the strict size check logic has been validated and we're expecting deployment to start by Monday, March 31, 2025, which is when we anticipate providing an updated timeline for impact remediation.

Next update by:

Monday, March 31, 2025 at 6:00 PM CDT