How To Add A Shared Mailbox (For Outlook Office 365)
Within the Outlook app, on your Desktop or Laptop Computer, go to the following locations:
File → Account Settings ->Account Settings -> Double Click on your Exchange account -> More Settings -> Advanced ->Add -> Search for the name of the mailbox to add -> Click OK, then OK again -> Next -> DONE
Screen shots to match:
File
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Account Settings
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Account Settings, again
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Double Click on your Exchange account
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More Settings
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Advanced
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Add
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Search for the name of the mailbox to add
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Click OK, you should see the mailbox in the list of additional mailboxes on the next screen, then OK again
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Click Next
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Click DONE, and you should see the mailbox appear on the bottom right, below your Inbox
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