A. Yes, Exchange 2010 supports three Exchange mailboxes concurrently by default, and you can increase this limit to 15. This is a big change from previous versions, which restricted you to one Exchange connection at a time. When you add multiple Exchange mailboxes to an Outlook instance, each mailbox is displayed in the navigation pane, as shown. The first three in this example are Exchange organizations.
Editor's note: Previous versions of Exchange allow you to have several mailboxes on the same server, but in Exchange 2010, you can have mailboxes on different servers.Related Reading:
- Protecting Exchange Server Data at Rest
- OWA vs. Outlook in 2010
- Moving Exchange to the Cloud, Part 1
- Q. What is online mailbox migration?
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