A wfi file extension is related to the Agilent Infiniium Oscilloscope and used for its waveform files.
WFI file extension - Agilent Infiniium Oscilloscope waveform data
What is wfi file? How to open wfi files?
File type specification:
The wfi file extension is used by the Agilent Infiniium Oscilloscope, an analysis and measurement device developed by Agilent Technologies.
The wfi file stores waveform data captured from the Agilent Infiniium Oscilloscope.