Wouldn’t it be nice if you could use Gmail’s smart inbox management features for your non-Gmail accounts? Google thought so too. That’s why you can now «Gmailify» for Yahoo, Hotmail and Outlook accounts on Android 4.4 and up.
You must first get the latest version of Gmail on your Android device. After that, open the Gmail app and under » Settings» click on the supported non-Gmail account you’d like to use. Now click on account link .
Once you link your Yahoo/Hotmail/Outlook account, you’ll get all the benefits of Gmail’s best features, including inbox sorting, advanced search, spam protection, and Google Now maps. That’s not all. The changes also show up in the Gmail web interface.