.TFX File

File extension tfx is most likely best known for its use for Tax Exchange file format.

A .tfx file is saved in ASCII format and can be usually imported in most tax preparation programs, like Quicken.

Files with tfx suffix can be found as data files saved in Tax Exchange Format. Used in accounting programs.

How to open:

You can try to import the .tfx files into any of the tax preparation programs, such as Quicken.

How to convert:

Accounting programs can often import / export various tax/accounting exchange formats between each other.