KB ID 0000277 Dtd 11/06/10
If you want to get all your Email addresses in one place - either for a report or just for your own records then you can use powershell to export then to csv file.
1. On your Exchange server, Start > All Programs > Microsoft Exchange Server 2010 > Exchange Management Shell.
2. Issue the following command,
3. Once executed the file should be on your desktop.
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