Invite User by Email
To invite the new user by email, enter their email address in the text box provided and click Finish. They will be sent an email that will contain a link where they will be able to create their password.
When the new user email is received, click Next to setup a password.
Select Set a password or Sign in with Microsoft
Follow Microsoft Steps for Microsoft Sign In
Manually Create Password For User
You can also choose to create a manual password for the new user. Choose Manual Password from the drop down box and enter the password in the text box provided. If you choose to assign a manual password you will have to provide the new user with that information.