Extract text from Measurement data files (DFL)
To convert DFL Data files to another format, you need SignalVu-PC or other Data software.
To convert other file formats to the "Test Equipment Data File" file type, you need software like SignalVu-PC or a similar tool.
A .DFL file primarily stores instrument measurement data, hardware state configurations, or signal analysis captures generated by professional test equipment. These files are tightly integrated with hardware and software ecosystems from industry leaders like Rohde & Schwarz, Keysight Technologies, and Tektronix via tools like SignalVu-PC.
The severe disadvantage of the .DFL format is its extreme vendor lock-in. It is a highly proprietary, closed binary format. Users are forced to rely on expensive, specialized software subscriptions or physical $10,000+ test hardware just to open and view the data. The format is not supported by standard spreadsheet applications, web browsers, or basic text editors.
Users typically need to convert .DFL to standard data formats like CSV, TXT, or XML to perform independent analysis in Python, MATLAB, or Excel. When converting, be aware that proprietary hardware metadata, calibration states, and specialized waveform visuals will likely be lost, leaving only the raw numerical values.
Because this format relies on proprietary algorithms and undocumented binary matrices - often wrapped inside a Microsoft Compound container - standard online converters fail completely. Most lack the specific libraries required to decode the waveform headers. If our analysis detects accessible embedded data or text segments, partial viewing and extraction may still be possible.
Convert.Guru analyzes your DFL file, detects the exact format, and lets you read the text inside.
Users also converted FMF, VTX and QZTP files.
If you want to convert DFL file to , you can use SignalVu-PC or similar software from the "Instrument Measurement Data Storage" category. In the File menu, look for Save As… or Export….
To convert files to DFL, try SignalVu-PC or another comparable tool in the "Instrument Measurement Data Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our DFL converter.