First, enter starting date and time in a cell(s), then, enter the same formula. Make sure to apply the appropriate time format to column C (result column),h:mm. If the elapsed time exceeds 24 hours, you need to apply the time format to display days as well as time in the result....
Navigate to the following path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\DateTime\Servers Right-click in the blank space on the right, selectNew, then chooseString Value. Name this new string value as the next number in sequence (e.g., if the last one is2, name this one...