When you are filling in a date field in Microsoft Outlook, you can literally type in “Two Weeks” in the date field, rather than a formatted date like “03/28/2011” and it will automatically update the date in that field to the two weeks out date for you.
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“next week”
“2 weeks”
“3 days”
“2 months”
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http://www.anysitesupport.com/outlook-filling-in-date-fields/