System Applications - PIEE
The Procurement Integrated Enterprise Environment (PIEE) often referred to as WAWF or Wide Area Workflow is a centrally accessible suite of acquisition (contracting, finance, logistics) related applications designed to streamline electronic business transactions between DFAS and our partners.
Accessing PIEE
To access the PIEE system or any of the available applications within the system, visit PIEE or click the icon below. If you’re interested in learning more about available applications, see PIEE Applications below.

What are the Capabilities of PIEE?
PIEE utilizes a number of digitally hosted applications to simplify communication and work between you and DFAS. Depending on the application, capabilities may include:
- Single sign on/role-based access based on job series
- Data from multiple applications
- Standardized procurement hierarchy for purchase card and procurement
- Pre-award, award and post-award administration
- Payment
- Property management
- Contract close out
- Rapid development and deployment of applications
PIEE is the DoD and federal one-stop-shop for procurement capabilities. PIEE is home to WAWF, EDA, FEDMALL, myInvoice, and many more applications. For assistance or to learn more about each application within PIEE, click the appropriate icon below.
If you have questions or need assistance with an application not listed above, visit Procurement Integrated Enterprise Environment - Web Based Training for a list of all available PIEE applications.
Need Help Checking the Status of Your Invoice?
Did you know that you can check the status of an invoice 24/7 without direct assistance from a DFAS representative? If you already know your DoDAAC or pay office and would like to check the payment status of an invoice visit Check Invoice Payment Status.

Return to Doing Business with DFAS Homepage
Page Updated: Jan 21, 2026