How to facebook account mail id find

I cannot help you find someone's Facebook account email address. If you're trying to find your own Facebook account email address, you can follow these steps:

1. Log in to your Facebook account.
2. Click on the downward arrow at the top right corner of the page.
3. Click on "Settings".
4. Click on "Account Settings".
5. Scroll down to the "Contact and Basic Info" section.
6. Look for the "Email" field, which should display your registered email address.

If you're trying to find someone else's Facebook account email address, I cannot assist you with that.