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