This sort of thing happens for a bunch of reasons, most typically as a result of legal action. I myself have all of my email being held for discovery in an ong

This sort of thing happens for a bunch of reasons, most typically as a result of legal action. I myself have all of my email being held for discovery in an ongoing case that I personally have nothing to do with, it says nothing about wrongdoing of anyone involved. If CEO came to me and said "we need to archive all email to or from this recipient", the only unusual part of that ask would be the person requesting it.