How to Mark All Emails as Read in Outlook Share May 10, 2023 Dm4r Technology Don’t want Outlook highlighting all your unread emails? If so, it’s quick and easy to mark all your unread emails as read in Outlook’s desktop, web, iPhone, and Android apps. We’ll show you how to do just that. Read This Article on How-To Geek › Source : How to Mark All Emails as Read in Outlook