First, make sure you’re signed in with your Yahoo! ID.

To edit an event:

1. Click Edit next to the event title.
2. Make the necessary changes, then click Update.

To delete an event:

1. Click Delete next to the event title.
2. Confirm and click on the Delete button.

Note: You may not have access to your group calendar. Each group's owner can restrict access to certain features, including the group calendar, or turn them off altogether. If you don't see a link described in the instructions, then you do not have access. You can contact the group's owner by sending an email to: groupname-owner@yahoogroups.com where "groupname" is the exact name of the group.