Email folders allow you to save and organise your emails to move them out of your inbox.
There are 2 ways you can create email folders:
Click on the "Add Folder" button to create one.
Click on the "Add Folder" link and enter the folder name, then click "Add Folder".
To move an email into a folder, click on the check box, then click on the "Folder" icon that appears at the top right.
Select the folder to move it to, then the "Move Emails" button.
You can move more than one email at a time.