Hi sir
From your post i take this lines
“MapiMessage.RemoveAttachments(“c:\temp\outlookmessage.msg”)”
"MapiMessage.DestroyAttachments(“c:\temp\outlookmessage.msg”)"
in this it delete the all attachment.
NOTE
In my email i have 4 attachment i want to delete 2 & 4th attachmetn remaining attachment i want to save as .msg format