I can guide you in changing your QuickBooks Online (QBO) account password, @dacl.
We recently updated QBO, the Intuit Account is now located beside the Gear icon. There, you can easily change your QBO password anytime. Let me guide you how.
Sign in to your QBO account.
Click the First letter of your name icon.
Select Manage your Intuit Account hyperlink.
From your Intuit Account page, select the Sign in & Security tab.
Click the Password section then change your password. Once done, click Save.