If you would like to make changes to an FTP account or delete it entirely, you can do that from Manage FTP Accounts section.
To change the password for an existing FTP user, go to the kebab menu for the corresponding FTP account and click on Change Password.
A new section will appear in which you should type the new desired password for the FTP user and then click on Confirm.
You can also change the quota of an existing user by pressing on Change Quota from the kebab menu.
A new section will appear in which you can specify the new allowed quota for the FTP user. Click on Confirm to apply the change.
To delete an existing FTP account, click on Delete from the kebab menu for the corresponding account.
A new section will appear to confirm the change.