1. Go to Content > Schedule Content.
2. By default, the next newsletter will always open first. To switch to a different newsletter, click Switch Issue on the right and select the issue you would like to modify. (You can also preview the newsletter by clicking the Preview Newsletter button.)
3. The articles on the left are currently scheduled to this newsletter. If you would like to remove one, click the remove button in the associated article card.
4. Click OK when it asks if you are sure you want to remove it.
5. Preview the newsletter by clicking Preview Newsletter in the top right of the screen and verify that everything looks correct.