A useful userform that it contains many features to quickly add date to the selected active cell.
In the pre-selected column of the worksheet (column or columns can be selected with the codes that added to the Worksheet_BeforeDoubleClick procedure), the year, month and days are sorted in the date userform that displayed by double-clicking on active cell. By clicking on the days listed as the buttons, the date is entered easily the date to active cell as dd.mm.yyyy or mm.dd.yyyy.
Also,if there is a date in the clicked cell , that date is displayed in the userform as year, month and day.
For description and date form example: Excel Alternative To Calendar Date Picker Control