By default, the Stock item screen for a selected stock item, will display the Ledger, Document groups, Image, Multi Groups and Backorders tabs below the Stock information section.  

To change the interface of the Stock item screen:

  1. On the Setup ribbon, select Stock information.
  2. On the Stock information screen, deselect (remove the tick) in the "Use tabs in stock" field.

  1. Click on the OK button. The Stock item screen for a selected Stock item will display a Data tab on which you may click + to expand (or - to collapse) the Stock information (Stock main form), Accounting (Ledger tab) and the Multigroup tabs. change as follows: 

You may need to go to the Setup → Tools → Close active forms menu, to close the Stock item screen before the changes will take effect.