I’m going to start with a little bit of explanation first and then go on to detail several ways to gather all your emails in your Gmail account. There is also a way to use your mobile Gmail app ...
Using Gmail search, you can filter all emails in the From section to delete emails from a particular sender. You can sort emails by date and delete them in the same search box form. There's a good ...
If you click Inbox in the left pane in Gmail, you should see a column that shows which categories you are active in. You can add or remove categories from here, and I recommend using category tags ...