Open a shared mailbox In Outlook
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F.ex; Invoice, Faktura, Post
Click FILE
Then click Info -> Account Settings… -> Account Settings…
Then click your account name on the list and click Change…
In the Change Account window, click More Settings… button.
Then, click Advanced tab-> Add… button-> in Add mailbox field type the name of the shared mailbox you want to add, f.ex: post.
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