There is no facility to sort emails by name, subject, size, and sender. Consider this scenario where sorting of emails can be very useful: You were on vacation and on returning you find hundreds of unread emails, and now you want to see only the unread messages by your boss between the...
Pro tip: Gmail automatically sorts your labels to display alphabetically, so I like to add a number in front of each of mine to sort them in the order I prefer. After you have at least one label, you can use the same process to create sublabels. The only difference is that to create...