You can reorder a package’s subforms by clicking the Reorder Subforms button in the Manage Subforms pop-up window. A pop-up window named Reorder Workspace Subforms will appear.
How to Reorder Subforms
In the table, under the Reorder Actions column, individual forms can be reordered by clicking the Move Up or Move Down link of each record.
After you have completed the reordering process, click the Save button. You will be returned to the Workspace Subforms pop-up window.