Losing Gmail emails can be scary. If your Gmail emails disappeared from Inbox, you can fix it. First, open the Trash folder. Emails stay there before permanent deletion. Check Spam too. Gmail often marks emails wrongly. Then, go to All Mail for archived emails. Also, check Social and Promotions tabs. Messages may be sitting there. Use Gmail's search tool with subjects, names, or keywords. If nothing appears, clear browser data or try Gmail in another browser. To protect your inbox, create Gmail backup often. Backups keep your data safe.