Under "Distribution groups I belong to", click on the the Distribution Group you wish to leave. Click on the "Leave" button. See one-minute video instructions. Note: If you're using a work or school account with a qualifying. If you've accidentally added your own email address to a distribution list (contact group) in Outlook or keep finding your address included when sending emails, you might want to remove yourself to prevent unnecessary emails. This guide will show you how to manually remove yourself from a contact. This article will show you how to leave an Office 365 Distribution Group. Sayonara, irrelevant group emails! Let's get your inbox from crowded to curated. How do users join/leave distribution groups that have Open Membership settings? I've honestly never tried that setting before, having always used Closed groups (with IT governing group membership).