Insert the date and time a document was created, last printed, or last saved

Click where you want to insert the date or time.
On the Insert tab, in the Text group, click Quick Parts.
Click Field.
In the Categories box, click Date and Time.
In the Field names box, click CreateDate, PrintDate, or SaveDate.
In the Date formats box, click the date and time format that you want - for example, 2/12/2008 9:45 PM or 12 February 2008.