Unable to expand the folder

Greetings, ethanjohnsons !

What are you doing when you get this error message?  Are you using an Exchange?

See if the following articles will help you solve the problem:

You receive an "Unable to expand the folder" error message when you add another mailbox to Microsoft Exchange Server service in Outlook
http://support.microsoft.com/?kbid=237825

"Unable to display the folder" or "Unable to expand the folder" error message when you use Outlook to access your mailbox in Exchange 2000 Server or in Exchange Server 2003
http://support.microsoft.com/?kbid=839531

Best wishes!

I am using Outlook 2003.  My main in and out e-mail box works fine, but not Address Book, other e-mail boxes that are under my account, etc.

They worked fine until yesterday.  I don't remember any significant changes I made.
Would it be something to do Exchange Server?

PST seems ok:


Microsoft (R) Inbox Repair Tool
Copyright (C) Microsoft Corp 1995-1996. All rights reserved.

**Beginning NDB recovery

  **Attempting to open database

  **Attempting to validate header

  **Attempting to validate AMap

  **Attempting to validate BBT

  **Attempting to validate NBT

  **Attempting to validate BBT refcounts

  **Attempting to validate header NID high-water marks

**Beginning PST/OST recovery

  **Attempting to recover all top-level objects

  **Attempting to walk all folders

  **Attempting to locate any orphaned folders/messages

  **Attempting to check top-level objects for consistency

  **Updating folder hierarchy

C:\Program Files\Common Files\System\MSMAPI\1033\SCANOST.EXE returns:
"You must be working online to use this tool".  In fact, I opened Outlook though.

I figured it out.

ethanjohnsons, glad the problem is fixed.  What turned out to be the cause of the problem?

>> I am seeing 'X' mark on Outlook icon

A sort of user error.   It had to be set as 'Online'.