Why is my email folder not displaying or loading?

Check if you’ve reached the maximum storage limit.
Your email account may be full due to too many emails being stored. Check with your email provider to see if you have exceeded your storage limit.
Check if the account settings are correct.
Make sure your email account settings are correct. Reset the server settings if necessary.
Check your internet connection.
A poor or weak internet connection can prevent your email folder from loading. Check if your internet connection is stable.
Reboot the device.
Sometimes restarting the device can help by resetting the connection between the device and the email server.
Update your apps.
Make sure the email app you’re using is up to date. You may also want to check for any other updates for your device.