Connect Mindomo with FTP:
Click on your initials/picture on the top right corner of the dashboard, then select Backup.
Select FTP from the drop-down menu, then click on "Settings".
Fill in the FTP connection details and click on "Connect".
Maps will be backed up daily and you will be able to see the status.
If you no longer want to backup your maps to FTP, go to the "Apps" section and click on "Disconnect account".