MozyHome is only set up to have one user, which can have up to five machines installed on it. The amount of machines per account, depends on your current plan. If you wish to have more than five machines and also more than one user, you will need to upgrade your plan to MozyPro.
To upgrade to MozyPro please call our Sales team, please visit the How can I contact Sales? page for your region's sales number.
If you would like more information on the differences between each plan, please visit the Mozy Product Overview page.