Make sure that you only check this box when using your district provided Birdville ISD computer. Do not do this on a public computer. For security reasons, it is imperative that you follow the above instructions.
Instead of having to input a code or use your Authenticator App for Multi-Factor Authentication every time you sign into Office 365, you can now select a checkbox to do this every 90 days instead.
First, go to office.com. When signing in, you should be prompted with the following screen:
You will then only have 90 days until you use MFA again.