Password Change
You can change your password in two different ways:
Through InsideCBU
Once logged in to InsideCBU, click on "Password Change"

Then click on "Change Password" under the "Student Password Management".

Then you can input your old password and the new password following the current password requirements: password must be at least 12 characters and includes uppercase (A-Z), lowercase (a-z), a number (0-9), and a special charater (@!#$%^&+=). Avoid using any part of your name or username in the password.

Through Microsoft
Go to Office.com and click the "Sign In" button:

Fill in your idnumber@calbaptist.edu like below.

Click on the icon in the upper right corner of the screen and select "view account".

Select Security Info panel in the middle of the screen.

From the Password security tile, select Change my password.
On the Change your password page, enter your current password and then enter your new password.