Why is everything i type saving on my phone how to delete

[AC Question]

When I type my email address it on face book or something it shows up after I close my browser and open up my messenger

 

[B. Diddy]

Welcome to Android Central! Sorry, but where are you entering these email addresses? Are you only using the mobile sites on your browser, or are you using the dedicated apps? Which Messenger app are you talking about, Facebook Messenger, Google Messenger, or the stock Messaging app?