If you are logged into a computer in the office:

1. Press CTRL+ALT+DEL

2. Click Change a Password

3. Enter your old password and then create a new one.

If you are out of the office, then you can log into your Office 365 Portal to change your password:

https://bostonivf.happyfox.com/kb/article/79-boston-ivf-self-service-password-reset-instructions/