Hello @unity_bill Current behaviour : Some of our FBX files seems to be considered as duplicated ones whereas they are used only by one bundle. How to reproduced : When I go into the Addressables window management : Window/Asset Management/Addressables It's possible to generate a check of your assets by clicking on Analyze. In the Analyze Rules/Fixable Rules You can "Check Duplicate Bundle Dependancies" and with this it's possible to easily generate a common bundle for all assets shared between bundles. If you execute it on this sample project (which a small part of one of our big project), you can see some duplicate assets in the result which is normal for those : - Assets/Textures/TXR_3D_Common_Palette_128x128 - Asstes/Materials/MAT_Common_Palette cause they are shared between both assets in the project. BUT You can see "Assets/Models/Shower_01.FBX" in the result too (in the plumbing shower bundle part) which is not normal cause this asset is shared with no other. In this sample example it happens with the shower fbx file but in our main project it happens on others assets too but not all FBX which is quite odd. You or your QA Team will find all what you/they need to reproduce this. If it's an intended behaviour, I would be glad to hear the explanation. I tried to debug the CheckForDuplicateDependencies part but it's quite painful to debug the linq part into CalculateDuplicates method, so I think you will be faster than me to retrieve this Cheers, Aurélien.