Sub Mail_Workbook_1()
' Works in Excel 2000, Excel 2002, Excel 2003, Excel 2007, Excel 2010, Outlook 2000, Outlook 2002, Outlook 2003, Outlook 2007, Outlook 2010.

' Likely works in more recent versions

' This example sends the last saved version of the Activeworkbook object .
    Dim OutApp As Object
    Dim OutMail As Object

    Set OutApp = CreateObject("Outlook.Application")
    Set OutMail = OutApp.CreateItem(0)

    On Error Resume Next
   ' Change the mail address and subject in the macro before you run it.
    With OutMail
        .To = "put address here or leave blank to enter manually"
        .CC = ""
        .BCC = ""
        .Subject = "This is the Subject line"
        .Body = "Hello World!"
        .Attachments.Add ActiveWorkbook.FullName
        ' You can add other files by uncommenting the following line.
        '.Attachments.Add ("C:\test.txt")
        
        ' display the mail. 
        .Display
    End With
    On Error GoTo 0

    Set OutMail = Nothing
    Set OutApp = Nothing
End Sub