Application.Wait

Application.OnTime

Excel

Pauses a running macro until a specified date and time.
Returns True when the specified date and time has arrived.
The Wait method suspends all Microsoft Excel activity and will prevent you from performing other operations on your computer.
Background processes (such as printing and recalculation) will continue to work.

expression.Wait(Date + Time) 

This example pauses until 6:23 P.M. today.

Application.Wait "18:23:00" 

This example pauses for approximately 10 seconds.

newHour = Hour(Now()) 
newMinute = Minute(Now()) 
newSecond = Second(Now()) + 10 
waitTime = TimeSerial(newHour, newMinute, newSecond) 
Application.Wait waitTime 

This example displays a message indicating whether 10 seconds have passed. 

If Application.Wait(Now + TimeValue("0:00:10")) Then 
    MsgBox "Time expired" 
End If 

This example pauses until 2:30pm the following day.

Application.Wait DateSerial(Year(),Month(),Day()-1), TimeSerial(14,30,0)) 

Word

The method Application.Wait does not exist in Word at the moment

PowerPoint

The method Application.Wait does not exist in PowerPoint at the moment