We file our W9 and paid ,we noticed that our former accountant received email notification, how to remove her email notification.

I can help with turning these emails to your account off, @accounting-drsum.

To customize your payroll notifications, here's what you'll need to do:

1. Click the Gear icon at the top.
2. Select Payroll Settings.
3. Under Customize Email Preferences, select Accountant from the drop-down list to edit your settings for the notifications.
4. Click OK.

For more details about this process, see this article: Customize payroll email notifications.