Sub del4rows()
Dim directory As String
Dim file As String
Dim wb As Workbook
directory = "" ' place the path here, such as "C:\Users\Maxwolf\ExcelFiles"
file = Dir(directory & "\*.xlsx") ' may need to change to .xlsm or .xls as needed
Do While file <> ""
Set wb = Workbooks.Open(directory & "\" & file)
wb.Sheets(1).Rows("1:4").ClearContents ' this assumes you have 1 sheet per workbook, if not, may want to add a loop here
wb.save
wb.Close
file = Dir()
Loop
End Sub