Activate Office 365 account
How to activate your Office 365 account
(First, do this on your phone)
Go to office.com
Enter your account details, and you'll be prompted to change your password.
Add your phone number so you can recover your account if you forget your password.
To activate your account, use the email address and the new password you changed.
*Try copying and pasting the email address and password.*
Download Office 365
https://www.microsoft.com/en-us/microsoft-365/download-office