if you forget your Outlook.com password, you’ll first have to see the section Change your Outlook.com password to change the password Outlook.com has for your account,
then update the password in Outlook 2016, 2013, or 2010.
Get office 2016 setup here : office.com/setup
How to Change or Update Password in Outlook.com?
In Outlook, choose File > Account Settings > Account Settings.
Select the email account you want to change, and then choose Change.
In the Change Account window, update your password.
Select Close after Outlook tests your account settings, then Finish > Close to return to Outlook.
For more details, visit : www.office.com/setup