Can I retrieve an email that was accidently deleted?

[Rozz]

Can I retrieve an email that I accidentally deleted on 'Outlook'?

 

[Bob I]

maybe, look in the deleted items folder.

 

[Roady [MVP]]

Checked your Deleted Items folder already?
If this was from an Exchange mailbox use Tools-> Recover Deleted Items...

Otherwise see;
http://www.howto-outlook.com/howto/restoredeleteditemsfromanoutlookpst.htm