If you click Database and then Backup Database you will get a backup wizard that will guide you through the process. When you're ready to restore your database you can click on Database and then Restore Database and another wizard will take you through that process.
Here's a link to a great website for all things ACDSee. It's amazing!!! This link will take you to a tutorial specifically for backing up your database.
http://www.digiscrapinfo.com/joomla/...cdsee-database
Good Luck!