Use data validation to force entries to be uppercase or lowercase

- [Instructor] Excel's data validation feature…is a powerful tool for controlling…what goes into a worksheet.…And if we were about to set up a data validate rule…in column A, wouldn't be a bad idea to first select…column A, we could ultimately be creating a list…in column A that will grow and grow and grow.…When we go to data validation, it's found on the data tab…in the ribbon, data validation,…there are potentially lots of different restrictions…we can set up by first going to the settings tab…and then looking at the options in the panel…under the word allow.…

Lots of choices here.…But no where in here do we see anything about…upper and lower case.…And there are lots of other features…that you might be interested in to use…as a basis for controlling what goes into a cell.…So we don't see too many restrictions here.…And certainly one we do not see directly…is one about uppercase lowercase.…We do however have a feature called custom…and this can open the door to all kinds…of different functions that we might use…