Won't My Mail App !new! Download — Why

If you recently turned on 2FA, you might need to generate an "App-Specific Password" rather than using your standard login.

Open a web browser and load a new site. If it fails, the issue is your internet, not your mail. Verify Sync and "Push" Settings why won't my mail app download

I can give you step-by-step instructions for your exact setup. If you recently turned on 2FA, you might

Sometimes your app stops downloading because the "handshake" between the app and the server failed. Verify Sync and "Push" Settings I can give

Your app might not be downloading mail because it isn't told to look for it often enough.

If Push isn't available, check your "Fetch" frequency. If it is set to "Manual," you will only see new emails when you physically open the app and pull down to refresh.

If your phone or computer is completely full, it literally has no room to "write" the new email data to its memory.