How to remove all my personal data from your system?

To remove your data, go to "Account Management" page. How?

On "Account Management" page, click on "Remove everyone's information" and confirm.

--You can opt to click "Download 20xx account to my computer" to download the whole account to your own computer.

--Your login name and password will remain in the database, in case you want to upload your account and continue to do something with your return.

Simple view:

Expert view: