I wish to create a contact list of all people have I send an attachment to that contains the word “CV”, how do I do this?
Gmail does not search within the contents of your attachments.
You can use the has:attachment keyword in Gmail search to find all messages that have attachments. If "CV" was in the email itself (subject, body) then you could do
You cannot create a contact list by selecting emails (manually or from search results). You have to go into your contacts, create a new group, and then add the contacts there.