Organise mail with labels, and search

Steps

1. 1
   To make a label, click the + next to Labels in the side menu. Type the Name, pick a Colour and save.
2. 2
   To label messages, tick them in the list, click Labels in the toolbar and choose the label.
3. 3
   Click a label in the side menu to see only its messages.
4. 4
   To search, click Search mail at the top and type. Click Search operators for the shortcuts: from:, to:, label:, is:unread, is:starred and has:attachment.