Microsoft Outlook
Todothis,gotoFile>Options>Mail>Composemessagesandselecttheformatyouwant.Letmeknowifthishelpsorifyouneedfurther ...,Whilecomposingamessage,clickthethreedoticoninthetoolbarabovetheFromandTofields,thenselectSwitchtoplaintextorSwitchtoHTML.,Thisartic...。參考影片的文章的如下:

