Only in special circumstances within the same Exchange environment.
Open the message from your Sent Items folder and from the Actions menu
choose "Recall this message..."
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
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"Lulual" <(E-Mail Removed)> wrote in message
news:F52FD59D-78B4-4588-8AB2-(E-Mail Removed)...
> I have sent an email and need to retrieve it before it is opened - is this
> possible?