https://forums.autodesk.com/t5/inventor-forum/unable-to-delete-sub-assemblies-from-iam-file/m-p/10229510#M112744 <P><a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/9149939">@office6PUWT</a>&nbsp;you'll need to double click on the sub-assembly in the tree that the file belongs to first. You can't delete the children of sub-assemblies in the master iam.</P><P>&nbsp;</P><P>Another possibility is if you have opened express mode (under the assembly ribbon). Some functionality is restricted with this on.&nbsp;</P> Sun, 11 Apr 2021 18:54:34 GMT gcoombridge 2021-04-11T18:54:34Z https://forums.autodesk.com/t5/inventor-forum/unable-to-delete-sub-assemblies-from-iam-file/m-p/10229384#M112743 <P>Can anyone suggest the reason as to why I'm unable to delete certain files from my browser tree in this assembly file, I'm trying to replace one sub assembly for an unpated version and can't delete certain mates either when trying to tidy things up?</P> Sun, 11 Apr 2021 17:35:39 GMT https://forums.autodesk.com/t5/inventor-forum/unable-to-delete-sub-assemblies-from-iam-file/m-p/10229384#M112743 office6PUWT 2021-04-11T17:35:39Z https://forums.autodesk.com/t5/inventor-forum/unable-to-delete-sub-assemblies-from-iam-file/m-p/10229510#M112744 <P><a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/9149939">@office6PUWT</a>&nbsp;you'll need to double click on the sub-assembly in the tree that the file belongs to first. You can't delete the children of sub-assemblies in the master iam.</P><P>&nbsp;</P><P>Another possibility is if you have opened express mode (under the assembly ribbon). Some functionality is restricted with this on.&nbsp;</P> Sun, 11 Apr 2021 18:54:34 GMT https://forums.autodesk.com/t5/inventor-forum/unable-to-delete-sub-assemblies-from-iam-file/m-p/10229510#M112744 gcoombridge 2021-04-11T18:54:34Z