Press <Alt> + F11 to open the Visual Basic Editor.
In the upper left, double click the ThisWorkbookIcon to open the workbook
module.
In the code window on the right, drop down the left combo-box at the top and
change selection to WORKBOOK, and then drop down the right combo-box at the
top and change the selection to BEFORESAVE. Enter the code that appears
betwen the Private Sub Line and the End Sub Line.
Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean)
Dim ws As Worksheet
For Each ws In ThisWorkbook.Worksheets
With ws.PageSetup
.LeftFooter = "Last Save Time: &T"
.RightFooter = "Last Save Date: &D"
End With
Next ws
Set ws = Nothing
End Sub
Everytime you save the workbook the save time is posted to the left foooter
of each worksheet and the save date to the right footer of each worksheet.
Save the file to test drive it and then do a print preview.