EFTPS (Electronic Federal Tax Payment System) is used by the IRS (Internal Revenue Service) for employer duty payments. With the use of the QuickBooks app, EFTPS provides inflexibility and convenience to make duty payments.While subscribing up for EFTPS, you get a word and a four- number Leg. For security reasons, it's necessary to change the EFTPS word in QuickBooks. Let's look at how to Change eftps password in QuickBooks .