Dim year As String
year = InputBox("Enter New Year as a 4 digit number")
Sheets("TitlePage").Unprotect
Range("TitlePage!F50").Value = year
ThisWorkbook.SaveCopyAs "C:\Dir\Fname" & year & ".xlsm"
‘ Workbooks.Open Filename:="C:\Dir\Fname" & year & ".xlsm"
Private Sub Workbook_Open()
ThisWorkbook.SaveCopyAs "C:\Destination\ModifiedName.xlsm"
End Sub