To view a public folder in O365, first check with IT that you have permissions to view the public folder. Follow the steps below to add a public folder (remove any favorites in the desktop Outlook before you proceed);
- Go to office.com in a web browser
 - Login utilizing your email address and network password
 - Click on Outlook
 - Navigate to the mail application by clicking on the mail icon in the bottom left corner
 - Right click Folders>Select Add public folder to Favorites
 - Navigate to the location of the public folder
 - Highlight the desired public folder>Click on Add to Favorites at the top of the window
 - Click on the x in the top right corner of window
 - This will also cause the public folder to appear in your desktop Outlook list of Favorites