After I archieve an e-mail I can no longer get to it
through the activity tab of a contact. When I see the
mail in the archived folder it doesn't come up in the
activity tab and when I don't see it in the archive
folder I receive an error message which says:
D:\Outlook\mailbax.pst is not valid (or can't be opened)

Can anybody help me with this because I use the activity
tab a lot to review old communication with a contact and
right now I don't archive my mails anymore to avoid this
issue which blows up my inbox/sent folder dramatically.

Thank you for your help

Franz Neumeyer