Big Sur Mail all archives folder In Big Sur the mail client doesn't show a folder combining archives of all accounts. I'd like to have such a folder and tried creating a smart mailbox for this purpose as I'd successfully done to create an All Junk folder.
Here's the smart mailbox configuration that I thought would work:

However, it throws this error:

Any tips on how I can access an archive across accounts?
With the Mailboxes column showing click the plus sign to the right of the header &quot;Favourites&quot;, which appears when hovering the pointer over it.

Then, in the resulting window, select &quot;All Archive&quot; as the Mailbox to add: