If you share a ZIBRIO scale with others who have not imported their scores into their app, the score will be stored on the scale. When you connect your app to the scale, the other person's balance scores and weights will show in the "Scale Data" page that pops up. (This can take a couple seconds after you connect your app to the scale.)
If you accidentally imported data that is not yours, simply go to the 'History' page, select the "List View" for Balance History, click on the incorrect score and select 'Delete'. It will be deleted from your History.
Please note, this action cannot be undone.