Prefill From: address and prefill To email address from worksheet name (excel/outlook)

Sub Mail_ActiveSheet()
' Works in Excel 97 through Excel 2007.
Dim FileExtStr As String
Dim FileFormatNum As Long
Dim Sourcewb As Workbook
Dim Destwb As Workbook
Dim TempFilePath As String
Dim TempFileName As String
 
With Application
   .ScreenUpdating = False
   .EnableEvents = False
End With
 
Set Sourcewb = ActiveWorkbook
' Using ActiveSheet.Copy creates a new workbook with
' the sheet and the file format is the same as the
' original workbook.
' Copy the worksheet to a new workbook.
ActiveSheet.Copy
Set Destwb = ActiveWorkbook
 
' Determine the Excel version and file extension/format.
With Destwb
   If Val(Application.Version) < 12 Then
      ' You are using Excel 97-2003.
      FileExtStr = ".xls": FileFormatNum = -4143
   Else
      ' You are using Excel 2007.
      ' When you use ActiveSheet.Copy to create a workbook,
      ' you are prompted with a security dialog. If you click No
      ' in the dialog, then the name of Sourcewb is the same
      ' as Destwb and you exit the subroutine. You only see this
      ' dialog when you attempt to copy a worksheet from an .xlsm file with macros disabled.
      If Sourcewb.Name = .Name Then
         With Application
            .ScreenUpdating = True
            .EnableEvents = True
         End With
         MsgBox "Your answer is No in the security dialog."
         Exit Sub
      Else
         Select Case Sourcewb.FileFormat
            ' Code 51 represents the enumeration for a macro-free
            ' Excel 2007 Workbook (.xlsx).
            Case 51: FileExtStr = ".xlsx": FileFormatNum = 51
            ' Code 52 represents the enumeration for a
            ' macro-enabled Excel 2007 Workbook (.xlsm).
            Case 52:
               If .HasVBProject Then
                  FileExtStr = ".xlsm": FileFormatNum = 52
               Else
                  FileExtStr = ".xlsx": FileFormatNum = 51
               End If
            ' Code 56 represents the enumeration for a
            ' a legacy Excel 97-2003 Workbook (.xls).
            Case 56: FileExtStr = ".xls": FileFormatNum = 56
            ' Code 50 represents the enumeration for a
            ' binary Excel 2007 Workbook (.xlsb).
             Case Else: FileExtStr = ".xlsb": FileFormatNum = 50
         End Select
      End If
   End If
End With
 
' Change all cells in the worksheet to values, if desired.
''   With Destwb.Sheets(1).UsedRange
''      .Cells.Copy
''      .Cells.PasteSpecial xlPasteValues
''      .Cells(1).Select
''   End With
''Application.CutCopyMode = False
 
'Save the new workbook and then mail it.
   TempFilePath = Environ$("temp") & "\"
   TempFileName = ActiveSheet.Name
 
With Destwb
   .SaveAs TempFilePath & TempFileName, FileFormat:=FileFormatNum
      On Error Resume Next
   .SendMail "", _
      "SUBJECT GOES HERE"
      On Error GoTo 0
   .Close SaveChanges:=False
End With
 
' Delete the file you just sent.
Kill TempFilePath & TempFileName & FileExtStr
 
With Application
   .ScreenUpdating = True
   .EnableEvents = True
End With
End Sub