How to Configure a Mailbox Store to Use a Specific Offline Address Book
If you create multiple offline address books, you can configure each mailbox store to use a specific offline address book. To configure a mailbox store to use a specific offline address book, perform the following procedure.
Procedure
To configure a mailbox store to use a specific offline address book
In Exchange System Manager, under Servers, expand the server and storage group you want to configure.
Right-click the mailbox store you want to configure, and then click Properties.
Under Offline address list, click Browse.
Type the appropriate offline address book name, or use Advanced to find the appropriate name.
For More Information
To associate a specific mailbox with an offline address book, see Microsoft Knowledge Base article 275203, "Offline Address Book Cannot Be Associated with a Particular Mailbox."