DLF file: How can I open a .DLF file?
The table below provides useful information about the .dlf file extension. It answers questions such as:
- What is the .dlf file?
- What program do I need to open a .dlf file?
- How can the .dlf file be opened, edited or printed?
- How can I convert .dlf files to another format?
We hope you find this page helpful and a valuable resource.
✅ Belkin Router Firmware Update

The DLF file is a Belkin Router Firmware Update. DLF firmware is a program, which is embedded on a Belkin Router.
✅ EES Dynamically Linked Function

The DLF file is an EES Dynamically Linked Function. EES is a general equation-solving program that can numerically solve thousands of coupled non-linear algebraic and differential equations.
✅ FlashFXP Default Language Data

The DLF file is a FlashFXP Default Language Data. FlashFXP is a FTP, FTPS and SFTP client for Microsoft Windows.
✅ DataCAD Double Precision Layer Data

The DLF file is a DataCAD Double Precision Layer Data. DataCAD is a professional-level AEC CADD program for architectural design, photo-realistic rendering, animation, and construction document creation.
✅ Dyalog APL Session Log

The DLF file is a Dyalog APL Session Log. Dyalog is an interactive, array-oriented programming language based on APL. It is designed to make it easy to analyse and process large amounts of data.
⚠ Be careful with .dlf files.
It's important to know that the .dlf file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .dlf files. Be cautious when dealing with .dlf files from unknown sources.
🚫 The .dlf file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .dlf file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .dlf file
It means that the operating system does not have a default app associated with the .dlf file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .dlf file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .dlf file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .dlf file extension, write to us.