Briefly: WebDAV stands for Web Distributed Authoring and Versioning, which is an extension to HTTP that lets clients edit remote content on the web. In essence, WebDAV enables a web server to act as a file server, allowing authors to collaborate on web content.
Enpass supports WebDAV sync with widely-used cloud-storage vendors.
However, it is worth noticing that the user can sync only one vault with a particular WebDAV folder on a specific URL.
Steps to sync with WebDAV account: