.TXTZ File

File extension txtz is associated with the eBook file format used by some sort of eBook reading and creating tools, like Calibre for Windows, Mac and Linux.

A .txtz file stores eBook in simple text file format and compressed with ZIP format.

How to open:

You can open these ebooks and read them using Calibre.

How to convert:

It should be quite possible to export .txtz ebooks to other format with Calibre. However, you can simply decompress the files using any ZIP archiver to get the text files.