How to: Add a Personal Information Store in Microsoft Exchange.
Solution:
Select 'Options...' from the Microsoft Exchange 'Tools' menu. Then click 'Add...' from the 'Services' tab.
1) Double-click the 'Inbox' icon from the desktop to start Microsoft Exchange.
'Microsoft Exchange Inbox'
2) Select 'Tools' menu and select 'Options...'. (The 'Options' dialog box appears.)
3) Click the 'Services' tab.
4) Click 'Add...'. (The 'Add Service to Profile' dialog box appears.)
5) Select 'Personal Folders' from the 'Available information services' list box.
'Add Services to Profile' dialog box
6) Click 'OK'. (The 'Create/Open Folders File' dialog box appears.)
7) Type a new name in the 'File name' box.
8) Click 'Open'. (The 'Create Microsoft Personal Folders' dialog box appears.)
9) Type a name for the service in the 'Name' box.
'Create Microsoft Personal Folders' dialog box
10) (Optional) Type and verify a password in the 'Password' and 'Verify Password' boxes.
11) Click 'OK'. (The new service appears in the service list.)