How to get or add contacts to users Exchange mailbox?

Wondering if anybody know: How to get or add contacts to users mailbox, using account with admin rights to access them in Exchange 2007. coding in C# 2008.

Searching for 4 days already cant find any examples of this so开发者_高级运维lution.

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I would look at using EWS since you are using C#. MSDN: Exchange Web Services Reference

There is also the Managed API which simplifies the calls. MSDN: Exchange Web Services Managed API 1.0 SDK