A Nextcloud storage is a specialized WebDAV storage, with optimizations for Nextcloud-Nextcloud communication. See the WebDAV documentation to learn how to configure a Nextcloud external storage.

When filling in the URL field, use the path to the root of the Nextcloud installation, rather than the path to the WebDAV endpoint. So, for a server at, use and not

See Configuring External Storage (GUI) for additional mount options and information.

See External Storage authentication mechanisms for more information on authentication schemes.