Tao Software Development Company

Notice: Our offices will be closed from Monday, August 22nd to Saturday, August 27th 2016. Our servers, downloads and license activations will function as normal during this time.

Notice: While installing Tao ExDOS on Windows 7, 8 or 10, you might see a message stating the file came from an unknown source. This is due to security changes in the operating systems via security updates. The issue is being taken care of on our end and should be fixed soon. The files can be installed safely and are digitally signed as they always are.


Run any DOS program on Windows 10, 8, 7, Vista, XP and Windows Terminal Server 2008, 2003. Print from DOS to any printer, Word, PDF and Fax
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Tao ExDOS Ultimate - Run any DOS application. Print to any printer, Word, PDF, Fax and images.
Tao ExDOS Standard - Run any DOS application. Print to DOS supporting printers on any connection.
Tao ExDOS Print - Print to any printer, PDF, Fax and image files.
Latest News

Tao ExDOS has been updated to version 10.0.420

June 27th, 2015

Many under-the-hood improvements were made to improve the overall user experience.
More robust activation and licensing system.

Tao ExDOS has been updated to version 10.0.300

September 1st, 2014

We are happy to announce a new major version update to our Tao ExDOS products! In the update:
• New, simpler version structure. Three versions are now available for download:
+ Tao ExDOS Ultimate
+ Tao ExDOS Standard
+ Tao ExDOS Print
Read more.
• Complete graphical redesign of the user interface.
• Many minor changes to the user controls and help screens.
• Added support for many additional DOS programs and printer control codes.

Existing customers that wish to upgrade should contact our Support Team for upgrade details.
The yearly service agreement for your licenses can be renewed in our secure online shop.

More news


Tao ExDOS - Run DOS programs on Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP and Windows Terminal Server. Print to any printer on any connection (LPT, USB, LAN, Cloud printers), including All-in-One printers, Microsoft Word DOC files, PDF files, Fax, HTML and TXT.