When i go to export it only allows to export from Archives or Personal folder. Account i have in list is firstname.lastname@example.org is not available for export why?
closed as not a real question by Chris S♦ Jul 20 '12 at 23:20
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I JUST did this for a company two weeks ago while moving them to hosted Exchange (you can't import to Exchange directly from an Outlook IMAP PST...you can, but things will black hole when you drop them into previously made IMAP folders since they look for a location no longer available), and I made mistakes that would have lost e-mail (of course, not permanently with IMAP) had I not done it again.
The first thing to do is to (in Office 2010, so find the similar location in previous versions) Send/Receive>Send Receive Groups>Define Send Receive Groups>Edit and check the box to "Download complete items including attachments. This will make sure that you have all the mail locally and that you don't just export headers. This is the real trick behind doing this since it is not the default.
You need to then create a new PST file. From there, there are two ways to work it.
Sometimes, per default, the pst. points to archieve. How to manage .pst files, take a look in the KB here: http://support.microsoft.com/kb/287070/en-us
This should do it. If you have access to the exchangeserver, you can use the exmerge too, to export entire mailboxes. For reference, see: http://support.microsoft.com/kb/174197