However, having all the read messages in the same folder can distract from your unread messages.
Hide your read messages so that the focus is on the new messages.
Display Only Unread Messages in Thunderbird
Select theQuick Filtertoggle button in the toolbar just above your messages.
The Quick Filter Toolbar will appear just below the button.
This causes all your read messages to disappear and only your unread messages are visible.
Alternate Method to Show Only Unread Messages
you might also show unread messages via the following method.
SelectView>Toolbars>Customizefrom the Thunderbird menu bar.
Scroll to the bottom of the list of icons in the window that opens and find theMail Viewsicon.
Drag and drop theMail Viewsicon on the toolbar to addViewfollowed by a drop-down menu to the toolbar.
ClickDoneto end the Customize window.
Using theViewdrop-down menu, selectUnreadto display only unread messages.
To see all your emails again, selectAllin theViewdrop-down menu.
