Office 365 - Join Distribution List
Steps to join an Office 365 distribution list
1. In Outlook on the web click the settings gear
2. Click ‘View all Outlook settings’
3. Select ‘General’ > ‘Distribution Lists’ Under ‘Distribution groups I belong to’ click the join button
4. In the pop-up enter the name (or partial name) of the distribution list in the search box and hit enter, select the list you would like to join and then hit the join button
5. Click OK in the pop-up after successfully joining the list