Productivity-wise this is a perfect tool to keep updating files on the same place, from multiple devices. To showcase a basic change, we're going to copy another folder in there:
And here as you can see the changes are automatically getting picked up by the nextcloud desktop client, and synchronized to the nextcloud server automatically aswell.
+Post script: check out this tutorial on how to synchronize the nextcloud .onion CalDAV calendar on both desktop and mobile