Request Support

If you have difficulties installing the software or have technical questions related to the use of our software or databases, our experienced support team is here to assist you.

Before contacting support, have you searched the Help to try and find an answer to your question? From the main menu in Thermo-Calc, select Help>Online Help. Otherwise, please use this form to submit information to

You can also contact your local agent directly in some countries. 

Some important things you can do to help us respond more quickly are as follows.

  • For potential licensing and installation problems, go to our license and installation information page and gather this information from within Thermo-Calc.
  • For support with TC-Python, run the diagnostic script included on our TC-Python page and paste it in the dialogue box in the form below.
  • Your site number can be found in the license information, on an invoice or any correspondence from Thermo-Calc.
  • For calculation, software and database-related queries, it is important that we can reproduce the problem. Attaching a macro or project file to this form can be very helpful.
  • Take a screen shot of an error message or copy it from the Event Log.
  • Include as much detail as possible and check our roadmap for a list of supported operating systems and software versions.