Outlook New and Public Folders & Contacts

Hello,
Unfortunately, some of our customers still use public folders to manage their emails, calendars, and contacts.

We are aware that these old technologies should no longer be used. However, some customers are difficult to convince. 

My question:
How can I integrate contacts from a public folder into Outlook New or Web?

When we add the email address via “Add public folder as favorite,” the contacts still do not appear.

The same applies to contacts from a shared mailbox. How can I integrate these contacts?

According to Copilot and Chat GPT, this is how it works.

Please help.

Thank you very much.

ATTENTION: Please only provide solutions for Outlook New. We are also aware that it works with Outlook Classic.

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