Add a shared mailbox to Outlook
After the owner of the mailbox has added you as a member of a shared mailbox, close and then restart Outlook.
The shared mailbox should automatically display in your Folder pane in Outlook.

What if it didn't work?
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If the owner only recently added you to a shared mailbox, it may take a few minutes before the shared mailbox appears. Wait a bit and then close and restart Outlook again.
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Select the envelope\Mail in the bottom left of Outlook, then select the ... and then select folders. that will change the view in outlook
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If that didn't work, then manually add the shared mailbox to Outlook:
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Open Outlook.
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Choose the File tab in the top left ribbon. 
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Choose Account Settings, then select Account Settings from the menu. 
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Select the Email tab. 
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Make sure the correct account is highlighted, then choose Change.
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Choose More Settings > Advanced tab > Add. 
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Type the shared email address, such as CME.
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Choose OK > OK.
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Choose Next > Finish > Close.