Find assemblies in folders
JetBrains Rider allows loading entire folders in the Assembly Explorer view When a folder is loaded, JetBrains Rider processes all its subfolders in hunt for files that it is able to decompile, and displays the folder's hierarchy in the Assembly Explorer.
Open a folder with .NET assemblies
To switch the Assembly Explorer view, choose Assemblies on the title selector of the Explorer window:
Click Explore Folder
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on the Assembly Explorer toolbar and then select a target folder.
The folder is added to the Assembly Explorer view. You can explore it by expanding the subfolders and all assembly nodes found within it. Double-click code symbols to decompile and view the corresponding code in the editor.
Any assembly found within folders can be displayed at the root level of the Assembly Explorer. To do so, right-click an assembly node and choose Show at Root Level in the context menu.