hi there, @kaeser-1982-gmai .
Thanks for reaching out here in the Community today.
To change the password, please follow the following steps:
- Sign in to QuickBooks Online.
- Select your profile icon next to Settings ⚙.
- Select Manage your Intuit Account. This opens the Intuit Account Manager.
- Select the Sign in & security menu.
- Select the User ID, Email Address, or Password section.
- Make your changes.
- When you're done, select Save.
You can get more information from the article https://quickbooks.intuit.com/learn-support/en-us/update-your-email/change-your-email-user-id-or-pas...
Have a good day!