TechSoft Logo
TechSoft UK Ltd., Falcon House, Royal Welch Avenue,
Bodelwyddan, Denbighshire, LL18 5TQ
Tel: 01745 535007 | Email:
01745 535007
CAD/CAM · Textiles · Machinery · Tools · Materials · Installations
Facebook X (Twitter) YouTube Instagram
You are here: Home > TechSoft Support Zone > Software - 2D Design V2 > How to Make .dtd Files Open in 2D Design V2

TechSoft Support Zone

How to Make .dtd Files Open in 2D Design V2


When you double click on a 2D Design .dtd file, the file is opening in Notepad or in a different program.

Note: When 2D Design is installed, the program associates itself with .dtd files automatically. However for a variety of reasons, this association can change or be lost over time.


Please follow the steps below:

  1. Right-click on a .dtd file and go to Properties:

  2. Where it says "Opens with:", click on Change...

  3. Select Design Tools - 2D Design and then select OK

  4. Finally, select OK on the Properties box and try double-clicking on the file again to confirm the software opens up.

Article Date: 02/10/2020

In this section of our website you will find basic support articles for a range of TechSoft's software and machines. If you cannot find what you are looking for, please contact us on 01745 535007 or email us on