Often we fill out tables with data that are meaningful strings. This can be for example the days of the week, the names of months, and so on. Therefore, it would be convenient to have automation using just enough to enter only the first member of the string, for example, “MONDAY”, and when applying a fill-in technique to Excel, automatically fill in the other several selected fields with the names of the remaining days of the week. This automatics are the Custom Lists and will be referred to in the following text.