.ISTG File

The ISTG file extension is associated with the ISOE (Imagine Stage/Object Examiner) a tool for Microsoft Windows operating system. The *.istg file stores imagine stage data related to *.tddd files (Imagine object file format).

How to open:

Use ISOE to open *.istg files.

How to convert:

Various 3D models or CAD files can be typically exported to some exchange format or converted between different formats. Once again, not all CAD/3D modeling programs may allow conversion of every format. But, there is always the option of using some of the dedicated 3D conversion utilities with a broad file format support. For general information try to look at:Basic info how to convert CAD and other 3D graphic files