To log in to your Backupify account, go to https://app.backupify.com/login. For Office 365 accounts use the "Log in using Backupify Credentials" section.
The email address is the administrative account for the Office 365 domain that was specified during setup. Use the password that was created at setup or the most recent if it has since been updated. Remember, this password is not the password to log in to Microsoft's online portal; this password is specific to the Backupify application.
When managing multiple Office 365 accounts, each browser session can only access one account at a time. To manage an Office 365 account, log in to that specific account and then log out when done.
To reset your password, click the "Forgot your password?" link and you will receive instructions emailed to to the administrative account for the Office 365 domain.