Hi @WASEEM_KHAN
Check the below expression
DateTime.ParseExact("07/25/2021","MM/dd/yyyy",System.Globalization.CultureInfo.CurrentUICulture.DateTimeFormat).ToString("MM/dd/yyyy")
Dot as Separator
DateTime.ParseExact("07/25/2021","MM/dd/yyyy",System.Globalization.CultureInfo.CurrentUICulture.DateTimeFormat).ToString("MM.dd.yyyy")

Regards
Gokul
