Add external contacts to Microsoft's Excahnge Online

I need to add contacts to my hosted "Exchange Online" ( account.  Their tech support is worthless.

These contacts need to be available to everyone in the organization, so it doesn't help to add them to an individual account's contact list.  I want the contacts to show up in the companies global contact list so that when they create a new email message, the "Check Names" feature will work, even though these are not internal contacts.

Any ideas?
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MasterComputingAuthor Commented:
The "Mail Contact" feature of Exchange Server is what I think I'm looking for.  Just not sure how do handle that w/ Microsoft Exchange Online.
There is an article on it here:

Do you have access to the web administration console ?

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MasterComputingAuthor Commented:
GundogTrainer - That's what I needed. Thanks.  I spent over an hour on the phone with their support and they couldn't tell me how to do this.  Unreal.  Thanks again!
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