Age calculation field in table

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Occasional Visitor

Is there formula for adding a calculated field in MS access to work out age from a DOB field (both to show in table)? This video has been helpful but I'm not sure of the formula https://www.youtube.com/watch?v=onVxitYTBwE&t=326s

 

I am at a very basic level in MS Access.

In this video I show you how to create calculated columns in Access tables in general as well as how to calculate the quarter of a date in such a calculated ...