Yes. FontAgent 8 makes it easy to migrate your FontAgent Pro 6 database. To migrate your version 6 database to FontAgent 8 do the following:
Open FontAgent 8.
From the menu bar, select FontAgent > Migrate from Version 6.
Your migration will start immediately.
FontAgent 8 copy over all your libraries and sets, and their contents into a new database. Font activated at the time of migration will in version 6 will be activated in version 8, which means that moving to version 8 shouldn't interrupt your workflow.