To change the location of your mailbox for Exchange:
1. Open RegEdit
2. Go to HKEY_CURRENT_USER\Software\Microsoft\Windows Messaging Subsystem\Profiles
3. Go to the profile you want to change
4. Go to the value name that has the file location for your mailbox (*.PST) file
5. Make the change to file location or name
To change the location of your mailbox for Outlook
1. Open RegEdit
2. Go to HKEY_CURRENT_USER\Software\Microsoft\Outlook (or Outlook Express
if Outlook Express)
3. Go to the section "Store Root"
4. Make the change to file location
