Check the Record Source of the form and make sure you haven't inadvertently selected CustomerT instead of CustomerSortedQ.

Thanks Kevin, I check and the record source is correct (CustomerSortedQ). Still trying to figure it out but thanks.

I think I may have figured this out (but it happened because I started looking closer at the Property Sheet in responding to Kevin's input). For whatever reason, when I created the CustomerListF, it entered a default value in the "Order By" property that sorted by First Name and then by Last Name (I got it wrong stating that the form sorted by the CustomerID when I looked at it again closer). Once I cleared this property, the form worked as I expected. I'm not sure why this default was entered to this property but I assume it has to do with using Access 365 instead of Access 10 used in the lessons.