In the case when your Gmail is not showing any emails, don’t panic, you just need to delete your filters email and also clear your device storage. If your device doesn’t have enough storage space, that is also the cause of not receiving emails on your Gmail these are a few potential fixes for Gmail accounts that aren't receiving emails.
Also Read - https://onlinegeeks.hpage.com/why-are-my-emails-not-showing-up-in-gmail.html