Do the following to convert to open a CATIA file in this software:
When you open a CATIA file, a log file of the conversion is created in the same directory of the file you opened. You are also enabled to store the log file in a specific path by setting the relevant parameters in the Log File category of the CATIA Conversion Options.
At the time of importing a CATIA model, you can perform a quality check on the model to know of any prevailing issues by selecting the Check Model Quality after loading check box in the System Options - General category.