Removing existing teams or channels from Microsoft Teams when no longer needed
Hello Arunachalam,
Good day! Thank you for posting to the Microsoft Community. We'll be happy to help!
Based on your description, I understand that you're having trouble using your new business account in Teams.
To use Teams for business, please download Teams (you might have been using Teams for free software), Click here to Download MS Teams.
After downloading and installing Teams, please try to log in with your business account.
If you already have the new version of Teams, please click on your Profile Picture > Add another account > Sign in with your New Business account.
If you have any issue with signing in, please share with me the error message you get when you try to sign in.
I look forward to your responses. Please note that our initial response does not always resolve the issue immediately. However, with your help and more detailed information, we can find a solution together. Thank you for your help.
Thank you very much for your cooperation and understanding.