How can I undelete mail in Outlook?

Start the Outlook client

Select the "Deleted Items folder"

Select "Recover Deleted Items" from the Tools menu

Select the message and click the "Recover selected message"button

Close the dialog

The message will be added to the "Deleted Items" folder

Start the Exchange Administrator Program (Start - Programs - MicrosoftExchange - Exchange Administrator Program)

Expand the Org, site, Configuration, Servers and select the server

Select Private Information Store and select Properties from the File menu

Select the General tab

Under "Item Recovery" select the number of days to keep deleteditems for. You can also select to not delete items until the store has beenbacked up

Click OK

Close the Exchange Administrator Program