Go to Akeeba Backup, Profiles. You can export each backup profile. You can also import them later.
If you cannot access Akeeba Backup at all you will need to keep a copy of two things.
First, you need a copy of the #__ak_profiles table. This is where the backup profiles are stored. However, these settings may be encrypted.
So you need to also copy the file administrator/components/com_akeeba/BackupEngine/serverkey.php. This file is generated when you first install Akeeba Backup and contains the encryption key for the configuration content of the #__ak_profiles tables.
Then you can uninstall Akeeba Backup and install the new version.
Afterwards, first copy the administrator/components/com_akeeba/BackupEngine/serverkey.php file. You may already have one generated for you already. No problem, overwrite it.
Then, restore the #__ak_profiles table.
If you also want to keep your backup history you will need to back up the #__ak_stats table before uninstallation and restore it upon new installation.
That's really all there is to it. Two tables and one file.
While there are another two tables they are inconsequential for you. The #__ak_storage table is used to keep track of when was the last time we checked for failed backups if you are using that feature. The #__akeeba_common table is used in all of our software to keep track of dependencies between extensions and storing a unique, randomly generated identifier for anonymously reporting site statistics (PHP, Joomla and MySQL version — unless disabled in the component settings). You don't need to keep any of that and, in fact, you shouldn't keep any of that. Let it be managed automatically.
Nicholas K. Dionysopoulos
Lead Developer and Director
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