• Accessing a Shared Mailbox in Outlook on Windows
• Accessing a Shared Mailbox in Outlook on Mac
• Accessing a Shared Mailbox in Outlook on the Web
• Accessing a Shared Mailbox in Apple Mail

Note: To create a separate Outlook profile or to send Mass Mailings using a shared mailbox, you will need to add the shared mailbox as a separate profile: Adding a Shared Mailbox in a Separate Profile Using Outlook for Windows