เข้า mailในมือถือไม่ได้

Hello,

May I know what the exact error is that you get when setting up your account?

Are you sure you're entering your password correctly? Mobile may have different keyboard layouts so you will need to be a bit careful and double check.

Set up email in the Outlook for Android app

https://support.microsoft.com/outlook/install-mobile/set-up-email-in-the-outlook-for-android-app

I look forward to hearing from you to get the results of the troubleshooting.