DAQExpress and DAQmx Compatibility

Updated Apr 8, 2020

Reported In


  • DAQExpress


  • NI-DAQmx

Issue Details

  • What versions of DAQExpress and NI-DAQmx are compatible? 
  • I upgraded from SignalExpress to DAQExpress and I can no longer see my hardware. Why?


DAQExpress must be using compatible hardware and a compatible version of NI-DAQmx for it to communicate with NI hardware.

You can check the Readme for NI-DAQmx to verify it's compatibility with DAQExpress. For example, by checking the View Readme for the NI-DAQmx version 19.6, you can determine the supported version of DAQExpress software under Application Software Support :

Additional Information

Note: Upgrading from SignalExpress to DAQExpress may have upgraded the NI-DAQmx version that no longer supports your hardware.