Hi all,
I’m returning to this thread after a long time because I happened to stumble on something. I came across this page: Connecting securely to Microsoft OneDrive with WebDAV :: WinSCP. It describes how to connect to OneDrive using WebDAV with WinSCP. I gave it a quick go, and it seems to work fine. However, it doesn’t work in Duplicati, returning a “Failed to connect: The remote server returned an error: (404) Not Found.” (message from the ‘Test connection’ button). A quick search suggests that WinSCP also had this issue but that they were able to fix it (WebDAV to OneDrive cause error :: Support Forum :: WinSCP).
Does anyone know if there is a particular reason that this approach does not work with Duplicati?