Outlook Express can be a
host of problems for you at times. This happens when your DBX store
contains corrupt folders. In Outlook Express, each folder represents
a separate database that has ‘.DBX’ file extension. If these DBX
files get damaged, Outlook Express fails to open or read the
respective folder. A plenty of things are known to cause problems in
Outlook Express, such as human errors, virus infection, system
glitches, application errors, and more.
How to Get Back
Missing Folders in Outlook Express