This will delete and prevent duplicate emails in your app. Method 1: Remove duplicate email accounts If this is your case, this article is going to show you how you can restore all the original email content on your application. If you have configured the same email twice or more, then you will get the same emails being synced to your computer, and since the email id is the same, you will see this emails in your account. The same issue is also likely to occur if you have set the wrong system time on your PC mismatching with the mail server, therefore resulting in WLM downloading emails over and over again. Windows Live Mail tries to recover the corrupt mail and when it does so, it creates a messy looking directory structure under the Windows Live Mail directory in a Storage Folder. The same case occurs when your mail gets corrupted due to a power loss, malware infection or bad encoding. This issue occurs when Windows Live Mail crashes and attempts to recover the email data. A similar is issue is where the messages are duplicated, appearing several times on your Window Live Mail folders. There have been reported incidents where many Windows Live Mail folders contain 100’s of emails but the content for each is the same.