The answer is A. Bacteria leave a thanks if i am correct please.
A primary key is the answer. =)
The Navigation Pane in Outlook is used to switch between the different areas of Outlook,such as Mail, Calendar, Contacts, Tasks, and Notes., the Navigation Pane displays the folders within the view you are working with. The following folders are commonly used in the Navigation Pane in Outlook:
Inbox
Sent Items
Deleted Items
They are most commonly included in the Favorites.
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