This article will show you how to access Public Folders within the Outlook Web App 2013

1. Log into OWA 2013.  https://na02.msexchangeoutlook.com

2. Right click on Favorites in the left column.

3.  Select Add Public Folder.

4. Select the folder you want to add. Please note: Public folders can only be added one at a time.

5. Click Add. Folder will now appear in the Favorites menu in OWA.