2. Detect Duplicates
The “Duplicate Detector” tab contains all the tools you need to detect those objects, group them, delete them, or instantiate them.
4. Every name has a number to its right. This number shows how many duplicates are detected for this unique object from your scene.
5. The red bar underneath the title is to help you with identifying the group with the highest number of duplicates. The longer the red bar, the more duplicate count the group contains compared to the other groups.
6. After clicking on each unique objects in the list from the left, all the duplicate objects will be listed in this window.