http://bentasker.i2p/posts/documentation/linux/accessing-nextcloud-files-over-the-network-without-syncing-everything-down.html
Nextcloud's sync client is great for when you want a dropbox like experience, with 2 way sync of files between your device and Nextcloud's storage. It's less helpful, though, when you have a large volume of files that you want to be able to access and browse, but without routinely syncing them all down.