I have a perculiar issue in that my Inbox seems to have disappeared from the tree structure in the navigation pain however you can still reach the contents of both the inbox and the subfolders. I've tried accessing my outlook folders from both OWA and other Outlook clients and it's disappeared from all the views.If I do an export of the whole mailbox and re-import into another dummy user all the structure returns. This is a possible soltuon of course to fixing my issue but with many outlook appointments that have multiple recipients it would break the relationship between all of those meetings and who is attending etc.Is there a way of rebuilding the tree structure from within Exchange as I have no way of getting to subfolders only the inbox itself from outlook today's home screen?Thanks.Robert.

Hello Bob,You can use MFCMapi to see raw level structure of your mailbox, check if you can see Inbox folder there and specially an attribute "PR_ATTR_HIDDEN" of inbox folder.Check below article as an example of Draft folder of a mailbox.Missing Drafts folder in Outlook 2007: Found again with MFCMAPIhttp://blogs.technet.com/eolian_brown/archive/2009/01/20/missing-drafts-folder-in-outlook-2007-found-again-with-mfcmapi.aspxHope this helps...!!Amit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com

Thank you sooooooooooo much.That is brilliant.All fixed!!!Thanks a million.The billion $$ question though is how the h*ll did that attribute get set to hide the Inbox....!Robert.

Glad to know that it is fixed!! :)Well, not really sure about the reason but there could be many, like some third party application, some unusual threatusing mailbox and made it corrupt,abnormal closure of clients or OST filemade corruption etc...Amit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com