What is the difference between outstanding payable & bill payable?

  outstanding payable the amount due but not paied but bill payable is is amount for bill to be paid

Oustanding is all what the conpany need to pay on future basis as AP aging meaning the laiblities on the company , But Bill Payable the Bill which will be paid , meaning which is due now and need to be paid.

outstanding payable depend on aging

bill payable its the due payable

outstanding payable is the amount of liability yet to be paid while as bill payable is current amount of bill to be paid