How to Remove a Backups in Plesk
You can remove any backup files stored in the server storage and in remote storage.
To remove backups, perform the following steps:
1 – Logged in to Plesk.
2 – Go to Websites & Domains.
3 – Click Backup Manager.
4 – Select the checkboxes corresponding to the backup file or files you want to remove, and click Remove.
Make sure you only remove backups you no longer need.