Opening DNL Files

The DNL file type is primarily associated with Siemens STARTER.

DNL	File extension: DNL
	File type:	proprietary data/configuration file

What is a DNL file?

DNL files mostly belong to Siemens STARTER. DNL files are used in several specialized systems. They are not one standard type but vary by origin.
Consider these examples:

• Siemens drive backup file - Used to store drive configuration and backup data. These files work with Siemens systems such as Siemens STARTER. More details can be found at Siemens support.
• Digital Novel Library file - A file format for digital novels, sometimes called the DeNoLiXer eBook format.
• FGS download file - Employed in FGS systems to download firmware or related software data.
• Infineon flash data file - Used to hold flash configuration and measurement data. It works with tools like DaVinci Configurator and Vector CANape. Check out Vector for more info.
• Digital Navigation Map or Car navigation data file - Stores map or diagnostic data used in vehicle systems. This type can be linked to applications such as WinOLS, and further information is available at EVC.

FilExt.com tip: The purpose of a DNL file depends on its source. Identifying the correct usage helps in choosing the proper software to open and view it.

How do you open DNL files?

You need a suitable software like Siemens STARTER to open a DNL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DNL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DNL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DNL Text Viewer

Choose your .dnl file to analyze

or drag and drop it here

Online File Viewer

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DNL file format:

If you know the file format, you can also find out how to open or edit the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). If the file extension or signature does not match the file format, errors will occur when opening or editing the file. Knowledge is power - this also applies when dealing with unknown or faulty files. Our analysis of the DNL files produces the following result:

As a file extension, DNL isn't very common and is used by a few programs, each with its own file format. The two most popular formats are as follows:

• 35% of all DNL files belong to DNL eBook / eCatalog / eCard / eBrochure. These files contain neither text nor words, but only data. The file size is in the range of 290 KB to 140 MB. The file type was developed 10 years ago and is still in use today. A usual file name is Course_Demo.dnl. Such files sometimes refer to cassons, motorcycle, course, bicycle, demo, book, manual and trade.
• 35% of all DNL files start with the magic bytes ;Date: , which are always the first bytes of this file format. The contents of these files can even be read by a human. DNL files can be up to 240 KB in size, but are often around 28 KB - 200 KB. The following keywords are characteristic: ;Bus address, ;Date, ;Device type, ;Device version, ;Technology type, Time, ;Device identification: yes, ;Number of PCD, ;Option board, SW-Version, MASTERDRIVES and Slot. These files can be linked to masterdrives.

The remaining 30% of all DNL files are different files with different signatures, often, for example, FGS. These files are often connected to cuvc. You can get all the details of your DNL file by dragging it onto this page or by clicking the button "Choose your .dnl file to analyze" above.