Teams Personal Tab Links do not work on teams mobile application

Dear Teams Community

I have an issue with a simple custom ms teams app. The app has been created in "Developer Center" / App-Studio and just opens a SharePoint Online site within a tab (iframe). This works fine in Teams-Web-App, Teams-Desktop-App but not in Teams-Mobile-App. The links in the iframe which refer to other SharePoint sites do not work, there is no error or something, it's just not doing anything.

What can I do to solve this problem? It seems that there are other users with the same problems:

- https://techcommunity.microsoft.com/t5/microsoft-teams/hyperlinks-in-teams-website-stopped-working/m-p/3254029

- https://techcommunity.microsoft.com/t5/microsoft-teams/hyperlinks-not-working-in-website-tab-when-using-sharepoint/m-p/3261274#M109537

Thanks in advance,

Michael

developer

microsoft teams

Meghana-MSFT
Sep 27, 2022
Engineering team has investigated the issue and said that the links do not work on teams mobile as Teams mobile do not have cookies added for the domain. When we are in Teams and require opening a link in a different site, we always call teamslogon.aspx for that new domain first. If we do not have cookies added for the domain, then we can't expect it to load. The reason why it can work for Teams web is it may have already visited the site and have a cookie stored in the cookie jar for that site. Also please note that It is only allowed to retrieve a single token from Teams... and that is either domainA.sharepoint.com or domainB.sharepoint.com. we won't be able to get a token for both domains.

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Teams Personal Tab Links do not work on teams mobile application

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