Do I need a backup when I use SYNCING.NET ?

SYNCING.NET is not a backup application.

Although files and documents exist redundantly on multiple computers, this must not be considered as a backup.

The synchronization process works bi-directional and in real time, while deletions are being transmitted, which potentially cannot be undone.

Whether or not you use SYNCING.NET, an additional suitable backup application is strongly recommended to protect your data.