Trevor M wrote:

Well here OUTLOOK is used on Exchange so does it make a difference?
Because at the moment it does not expande psts when opening
Thanks for your input, it's very much appreciated

I, too, use an Exchange mailbox. My mailbox folders and my PST folders both
stay expanded, even when stopping and restarting Outlook. My IMAP folders,
on the other hand, will not stay expanded, as I said.
--
Brian Tillman [MVP-Outlook]