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You should now see a credential's dialogue. The “Connect as” setting should be set to “Registered user”. “Name” should be your email address. Create a Data Access Password and copy it to the Password field. Tick the checkbox “Remember this password in my keychain”. Click on the connect button.
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You can also connect using Cyberduck on macOS, see https://universiteitleiden.atlassian.net/wiki/spaces/RIS/pages/2392948965 Connecting to the Yoda Network Disk on Windows