Here's the practical, pocket-sized reference for IT professionals who administer and support Microsoft Exchange Server 2007. This unique guide provides essential details for using this next-generation messaging and collaboration platform to deliver better performance, interoperability, and end-user experience. Written by an award-winning author of more than two dozen computer books, this guide puts expert installation, migration, administration, and troubleshooting advice right at your fingertips. Featuring quick-reference tables, concise lists, and step-by-step instructions, this handy, one-stop guide provides fast, accurate answers on the spot-whether you're at your desk or in the field.