To restore the site database through Acronis Backup, follow the steps below.
Login to Plesk
From the list of our Domains, we choose the one we want
The above option will take us to the Domain settings. From these we will choose Acronis Backup.
On the next page, we select the date from which we are interested in recovering the data (files)
Upon completion of the selection we will be asked about the type of data we want to recover. In this particular case we are interested in the database. Based on that, we choose Databases.
Finally, we select the database we want and click on Recover.