LengthReturns the number of characters in field, including all spaces, numbers, and special characters.field - any text, number, date, time, timestamp, or container field, or any text expression or numeric expressionThis function returns the number of characters in a specified field. For a container field, Length returns the size of the original file in bytes.Length(“John”) returns 4.Length(Description) returns 12 when the value in Description is Modem for PC.Length(“M1” & Left(Product;5)) returns 7, when the Product field contains Canvas Backpack.