- Log into the SharePoint Office 365 portal and select the site where you want to create a discussion board.
 - Click on 
Settings
 - Select 
Add an App
and chooseDiscussion Board
from the list of available options. - Provide a name for your new discussion board.
 - Write a description of the purpose of the discussion board.
 - Adjust any settings (like permissions, or allow people to follow) as desired.
 - Click 
Create
. 
