Another Disadvantage for Leaving Thousands of thousands of unread and unwanted messages ion your mailinbox is that you are likely to miss the most important emails from which will appear on spam box. I am sure no one will love such occurrence
Follow below simple steps which will help you on How to delete and stop unwanted mails issues by simply searching for the senders name, and all messages from such will appear, all you need to so is to select all and delete that is all.
After that select all Like Below Screen Shot...
NOTE: You can reserve one of the Annoying mail. then click Report SPAM to prevent it from coming any further or unsubscribe from such sender totally...
NOTE: DON'T ALLOW TOO MUCH UNREAD MAILS IN YOUR INBOX USE THE ABOVE METHOD TO WIPE THEM OFF AND LEAVE YOUR MAIL BOX CLEAN AND TIDY!
Now click the Delete Icon Tool As seen Bellow
When the First Page gets deleted, click the select all Box and Click Delete till you Delete them all.