You can change your password at any time using the Change Password option within your Office 365 account.  After logging in to your Outlook Web account at https://mail.office365.com, click on your name in the upper right corner, then click View Account:  



click the PASSWORD option on the left sidebar or click CHANGE PASSWORD on the center menu:

 
CLICK TO CHANGE YOUR PASSWORD     As an option to the above instructions, you may use this link to change your password, this takes you to the same location as the above instructions.  You may need to login and to know your current password.

Please note this password change affects all Concord resources, email, office PCs, blackboard, mobile email, etc.  You may need to update any apps with the new password.