$01 File - opening and understanding

Did your computer fail to open a $01 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .$01 files.

What is a $01 file?

The .$01 file extension is most commonly associated with DOS pipe files. These files contain text files that can be "piped" by a DOS application. They are often used to debug software programs. The files are saved in text format.

How to open $01 files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension $01 for different purposes.

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

Suggest another file format using extension $01

While we know of one file format using the .$01 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .$01 file.