It is not yet possible to add new users to your account in the newest version of the tool, Morningscore 3.0. This guide only applies to Morningscore 2.9.

Log in to your Morningscore account
Click on the spaceman image in the top-right corner
Click on Settings
Click on the Users tab
Enter the email address of the new user
Pick the relevant role in the drop-down men
Click on Invite

Please note that your can only add more users if the option to do so is included in your plan.