i check my mails at my house, and than i go to work and than check my mails again, it still shows unread the emails that are already read
i check my mails at my house, and than i go to work and than check my mails again, it still shows unread the emails that are already read
11th
ranked

Please try clearing cookies, cache, history and footprints. To do so, please go to: https://help.yahoo.com/kb/new-mail-for-desktop/sln27197.html?guccounter=1
Also, please make sure to update your browser and if the problem still persists try to access Yahoo Mail in another browser.