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Step 2 - Choose Account Settings, then select Account Settings from the menu.
Step 3 - Select the Email tab. Make sure the your Exchange (default) email account is selected, then choose 'Change...'
Step 4 - Select 'More Settings'
Step 5 - Click the 'Advanced' tab, then click 'Add'.
Step 6 - Type the name of the Shared Exchange email address shared mailbox you want to add, then click OK.
Step 7 - Choose Next > Finish > Close.
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