A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
You can modify the userform (frmCalendar) in the Calendar.dotm template that you can download from the following folder of my OneDrive
and have a textbox on your UserForm that has the Enter event call the frmCalendar userform which you modify so that when for example, you double click on a date, it inserts the selected date into the textbox and dismisses the frmCalendar.