However, when you delete an email in Gmail, it doesn't disappear completely. Deleted emails are moved to the Trash folder, where they remain for 30 days before being permanently removed.
Image source: Google After that, click the Trash icon above the messages to the left. That’s it. You’ve just deleted thousands of unread Gmail emails with a few clicks. Make sure you empty the ...
Once you’ve done some clean-up, files will remain in Gmail Trash or Google Docs Trash for 30 days before being automatically deleted. These files in Trash still count towards your current storage ...