- In your browser, sign in to your Google/Gmail account.
- Click the gear icon in the upper right-hand corner and select Settings:
- Click the Labels tab, and under System label find All Mail and click “show”:
- “All Mail” is showing up at the left of your Gmail screen.
NOTE: If you want to know why what is difference between Inbox and All Mail, please check the following support note: What is Gmail “All Mail” – and what is difference between Inbox and All Mail.