How to Open an XFDL File
An XFDL file is a data file primarily used by businesses to store business transactions and other legally binding transactions. The XFDL format is based off of XML, a similar format used make documents more accessible for HTML. XFDL files are supported by Windows Notepad, the built-in basic text editor for all Windows operating systems.
Click the "Start" button in the Windows taskbar. Type "Notepad" into the Search Programs and Files bar. Click "Notepad."
Click "File." Click "Open."
Select the XFDL file you want to open and click the "Open" button.