Have a look in 'View' and make sure you have got 'Show all Messages' ticked and not 'Hide Read Messages'
That varies slightly depending on which email client you are using so it is whichever toolbar menu takes you to that setting.
This thread is now locked and can not be replied to.
How to watch Windows Event live stream, live blog | Microsoft event live stream: Watch Microsoft…
1995-2015: How technology has changed the world in 20 years
This amazing app turns your iPad Pro into a Cintiq
iPhone 7 Plus review: A superb big-screen phablet, but the price tag's enormous | iPhone 7 Plus…