I don’t know if you read the Outlook Team Blog, but if not I recommend it – there’s stacks of goodies over there.
Take this one for example, on entering dates in Outlook. I didn’t realise you could enter a date as easily as ‘next tue’ and Outlook would work it out for you automatically:
Gets converted to
As Kristel explains, there’s a bunch of terms that work, including ‘tomorrow’, ‘Christmas day’ and ‘in 6 days’.