Apple Mail: Searching Field: How can I search for all emails for a select keyword BUT exclude specific mailboxes?

MMatic wrote:

Using the search field on the top right of Apple Mail, I would like to search across emails in all mailboxes but exclude emails that have already been deleted or archived. What do I need to type in the search field to allow this?

See if there is anything here

Narrow your search results on Mac - Apple Support

https://support.apple.com/guide/mac-help/spotlight-mchlp1008/mac

MMatic wrote:

Hi, thank you for the reply, but your suggestions seem to be specific to the spotlight search rather than the search within Apple Mail

Yes, Mail.app search use the spotlight index.

Mail User Guide for Mac - Apple Support