Changing dates to just year and sending auto mail with ms

Question

I have two questions; 1) How can I change a date to just the year like 20 sept 10 to just 2010 or 12 Aug 99 to 1999.

2)Is there a waycan send an auto mail via MSalarting me on an upcoming deadling(date) for an activity?

Answer

It can be possible in VBA and