Sometimes you can’t find certain emails on your Gmail Inbox and it would be annoying. There are various reasons for mails going missing on Gmail. Sometimes, you would have turned on filters and that’s why you the mails might be missing. Other reasons might be mail forwarding and wrong POP and IMAP settings. Consider the steps given below to resolve this Gmail inbox not showing all mail issue.
Make sure that you have configured your email account using the right credentials.
Once you have done the above settings to fix this Gmail inbox not showing all mail problem, email messages will appear in the Inbox folder.