Deleting emails from your Gmail account is final—they're lost forever once you empty your trash folder. If you want to hide ...

In the "All Mail" folder, you'll see every email your Gmail account contains, including archived emails ... and follow the instructions above to get rid of everything at once.

If the idea of cleaning out your inbox feels overwhelming, you might want to give up and start paying for extra Gmail storage ...

Select delete Gmail's copy to automatically delete the emails from your original account after the transfer. Select "Save changes." 3. Create a second (archive) account and transfer your messages ...