In Autodesk Navisworks application, click Home tab Tools panel Batch Utility .
In the Log area, select the Log Events To check box.
Click the Browse button.
In the Save Log As dialog box, browse to the desired folder, enter the name for your log, and click Save.
Clear the Overwrite Existing Log File check box if you want to keep new and old events in the same log file. The new information is appended to the bottom of the log file.