Settings Window - Project > Allocation
In this window, you can set up the Tab key to help you quickly enter project allocations on transactions, to show warnings if a transaction is not allocated to a project in full, and you can select the method to use for allocating amounts to projects.
Select the task you want help with in this window:
Set up warnings to indicate partially allocated project transactions
Change the way amounts are allocated to projects
Use the Tab key to enter project allocations on transactions