A family of Microsoft on-premises document management and storage systems.
Hi @Philippos Georgiou ,
The current backup for SharePoint Server is as follows:
The SharePoint Server backup architecture and recovery processes include farm backup and recovery, granular backup and recovery, and recovery from an unattached content database. You can complete backup and recovery operations by using the SharePoint Central Administration website or PowerShell cmdlets. Note that some built-in backup and recovery tools may not meet all the requirements of your organization.
For more information, please refer to:
https://learn.microsoft.com/en-us/sharepoint/administration/backup-and-recovery-overview
You can try to back up your site and restore it to your supervising authority's site.
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