If you're concerned about the size of your email messages or if you've received a message that your email is too large to send, there are several steps you can take to reduce the size of the attached pictures and other documents.

Add or remove folders, people, and other items in new Outlook. You can manage Favorites by adding or removing folders, People, categories, or other items. To add an item: Right-click Favorites in the folder pane and select Add favorite.