Βρες το μέγεθος του κάθε φύλλου σε ένα αρχείο EXCEL

Read it here

Βεβαιώσου ότι το Workbook δεν είναι κλειδωμένο, (δηλαδή ότι μπορείς να κάνεις INSERT καινούργιο φύλλο)

και τρέξε τον παρακάτω κώδικα:

Sub WorksheetSizes()
    Dim wks As Worksheet
    Dim c As Range
    Dim sFullFile As String
    Dim sReport As String
    Dim sWBName As String

    sReport = "Size Report"
    sWBName = "Erase Me.xls"
    sFullFile = ThisWorkbook.Path & _
      Application.PathSeparator & sWBName

    ' Add new worksheet to record sizes
    On Error Resume Next
    Set wks = Worksheets(sReport)
    If wks Is Nothing Then
        With ThisWorkbook.Worksheets.Add(Before:=Worksheets(1))
            .Name = sReport
            .Range("A1").Value = "Worksheet Name"
            .Range("B1").Value = "Approximate Size"
        End With
    End If
    On Error GoTo 0
    With ThisWorkbook.Worksheets(sReport)
        .Select
        .Range("A1").CurrentRegion.Offset(1, 0).ClearContents
        Set c = .Range("A2")
    End With

    Application.ScreenUpdating = False
    ' Loop through worksheets
    For Each wks In ActiveWorkbook.Worksheets
        If wks.Name <> sReport Then
            wks.Copy
            Application.DisplayAlerts = False
            ActiveWorkbook.SaveAs sFullFile
            ActiveWorkbook.Close SaveChanges:=False
            Application.DisplayAlerts = True
            c.Offset(0, 0).Value = wks.Name
            c.Offset(0, 1).Value = FileLen(sFullFile)
            Set c = c.Offset(1, 0)
            Kill sFullFile
        End If
    Next wks
    Application.ScreenUpdating = True
End Sub