Is your outlook email not working? There are several reasons behind why is my Outlook email is not working. The most common is that the new updates aren't being installed on your device yet. Another process is using Outlook, or your mailbox has outgrown in size. Your Outlook might also have been interfered with by an add-on. Your damaged and corrupted Office applications need to be repaired to solve the issue. Loading external images and videos in Outlook is a possible cause. It is also possible that the Outlook AppData folder has been redirected to a different network location. Lastly, either your Outlook is conflicted by outdated antivirus software, or you have a Corrupted Outlook user profile.