Getting Rid of Unread Email Messages

Getting Rid of Unread Email Messages

To remove the Unread Email message by user's login names:

Start Regedit 

For a single user: Go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\UnreadMail 

For all users: Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\UnreadMail

Create a DWORD key called MessageExpiryDays 

Give it a value of 0