How to open HLF files

Did your computer fail to open a HLF file? We explain what HLF files are and recommend software that we know can open or convert your files.

What is a HLF file?

The HLF file extension indicates to your device which app can open the file. However, different programs may use the HLF file type for different types of data.

We are aware of 1 different use of the HLF extension, which you can read more about below.

FAR help

Through our analysis of HLF files, we know that one use of the format is FAR help. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix HLF files

These apps are known to open certain types of HLF files. Since many different programs may use HLF files for different purposes, you may need to try a few of the apps to open your specific HLF file.

Heat Loss CalculatorHeat Loss CalculatorUser submitted
We have not verified any programs that we know for certain can work with HLF-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with HLF-files. If you know one, please use the Suggest link below and tell us about it!