If you see JavaScript required to sign in error when using OneDrive, Skype, Teams or Office 365 apps, enable JavaScript in Chrome, Firefox, Edge.

If you are getting error code CAA20008 on Teams, Outlook, or some other Office app while trying to sign into your account, see this post.

The initial preview of the Teams JavaScript SDK v2.0 allows you to run apps designed for Teams personal tabs in both desktop and web Outlook and in the Office.com web portal.

What to do when you cannot login to your Microsoft Teams account on your Android phone One issue that you might encounter when using this app is when you are unable to login to your account.