Using date and time controls and functions in data validation rules

…Excel's data validation tool, located on the…Data tab in the ribbon, gives us tremendous…tools for working with data, and on a date basis and time basis where needed.…Let's imagine a company is starting up here and they're already taking orders.…The entries in column A are valid dates in 2013.…Let's say, for a while, in this file, they want to…make sure that the only entries here come from this year.…There's no rule in place right now, but we want to make sure that…any order date that appears in column A is out of the year 2013.…

Now, many, many times but certainly not always when you're working with data…validation, selecting the entire column is the right and most efficient thing to do.…So clicking column a and then on the data tab going to the feature data validation.…We're going to establish a setting here, not…to allow just any value here but, a date.…And immediately what pops up is the option for between.…We can certainly use that but let's say in this case…we might want to how about equal to greater than less than.…