vba send active workbook in outlook in .xls or .xlsx format (ie without macro)

Hi All,

i have a macro to send an excel spreadsheet via outlook email. However i want it to send without macros in .xls or .xlsx. format

How can i edit the below line to ensure it sends only the .xls active workbook

Thanks!

With MyItem
.To = "[email protected]"
.Subject = hello
.Attachments.Add ActiveWorkbook.FullName