An acronym for web distribution authoring and versioning, WebDAV is an extension of HTTP (Hypertext Transfer Protocol) which assists collaboration between users in editing and managing documents and files stored on web-servers.
The protocol of WebDAV makes the web a readable and writable medium for users. Framework is provided to users so they are able to create, change, and move documents on a server, usually a web-server or web-share.
Most importantly, WebDAV maintains properties about authors, modifications dates, namespace management, collections, and overwrite protections.
WebDAV was created in 1996 to fix the read-write limitations of the world-wide-web at the time Jim Whitehead and like minded people.