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NI FlexLogger
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  4. What Is NI FlexLogger?
  5. NI FlexLogger Professional Free Trial

NI FlexLogger Professional Free Trial

Customers can try NI FlexLogger Professional for free. The trial allows users to expand FlexLogger capabilities by automating and controlling tests, creating custom measurements, synchronizing across multiple chassis, and more.

Start free trial

Getting the Most Out of Your Free Trial

Your FlexLogger Professional trial unlocks the full capability of the software, letting you explore advanced automation, richer measurement options, and support for larger, more complex test setups. FlexLogger Professional moves beyond basic data logging to help you run smarter tests, integrate more signals, and accelerate the way you validate your systems.

Step 1: Download and Install FlexLogger Software

Download the FlexLogger installer from this page or from the FlexLogger download page. After the installer finishes downloading the installer, launch the executable (.exe) to begin installation.  The installer will guide you through installing FlexLogger and any required drivers such as NI‑DAQ™mx.



Step 2: Activate Free Trial

After installation, the Activation Wizard opens automatically. Click Start trial.


Step 3: Get Your Data

With FlexLogger, getting to your data is quick and hassle‑free:


  • Connect the hardware—FlexLogger automatically discovers supported devices and displays them in the Channel Specifications.
  • Connect the sensor—Configure channels for measurement or signal generation, apply scaling, and validate your setup in real time, with no coding required. Even if you don't have hardware, FlexLogger can simulate signals so you can start building and testing your project today.
  • Take a measurement—Acquire precise measurements from a variety of sensors, including temperature, strain, vibration, and more. Configure channels, apply engineering units, and validate data in real time for accurate results.
  • Log data—Configure logging settings such as file name, format, and storage location to capture high-quality test data automatically during execution.
  • Build an interface and visualize data—Create custom test views with drag-and-drop panels, using charts and gauges to monitor measurements in real time while tests run and log.

Step 4: Expand FlexLogger Capabilities

FlexLogger Professional builds on everything included in Lite but is meant for more complete test validation workflows, automated control, and scaling to larger or more complex systems. It unlocks advanced capabilities:


  • Automated testing and control (triggers, events, logic flows)
  • Custom measurements and more advanced signal processing
  • Support for automotive buses and additional I/O types
  • Scaling to multiple DAQ chassis and higher channel counts

These features make it a better fit for users who need repeatable test sequences, integrated control logic, or more sophisticated validation capabilities rather than just manual logging.


Frequently Asked Questions About the FlexLogger Free Trial

  • The free trial gives you all the functionality in FlexLogger Professional.

  • The initial trial period is seven days, and the trial can be extended for an additional 45 days.

  • FlexLogger will close. You must select an option to proceed.

  • During the trial, you will have access to all the features of FlexLogger Professional. If your trial has expired, features not available in Lite are marked with a green ribbon in the UI. Clicking them shows a License Required window with a description. The software also displays an option to activate FlexLogger Professional.

  • During the FlexLogger Professional free trial, you can access all features available in the FlexLogger Professional license. After the trial expires, you will lose access to Professional features unless you activate a full license. FlexLogger will prompt you to upgrade or switch to FlexLogger Lite, which has limited functionality.

  • You can open them, but you cannot edit or run them. FlexLogger Lite will display a banner listing the paid features used.