This (macOS) app is for power users, out of the box it will show you statistics about sender/attachments/contents etc of your emails. I don't user it myself but

This (macOS) app is for power users, out of the box it will show you statistics about sender/attachments/contents etc of your emails. I don't user it myself but the first thing I thought of when I opened it was that it might be good if I ever needed to sort out my emails. https://freron.com/ https://freron.com/