Actually, the same thing can be accomplished with my "Auto Drag & Tag" feature request. I'll explain. In EN's current state, if the user is in the "Tips" notebook and highlights the "Linux" tag, then the note window shows only "Tips:Linux" notes. I think that's much simpler than sub-notebooks because one can simply have a set of universal tags that apply to all notebooks and then hierarchical tags as needed. No need to replicate sub-notebooks. Now, back to my idea. The downside with the tags as opposed to sub-notebooks is in importing. Particularly, bulk importing (where is easy to lose yourself in the main notebook). So, if one were able to drag/import files directly to the tag, the problem is solved. It would work as follows: The user clicks on the relevant notebook, let's use the above example: "Tips." Then, the user would click the relevant tag, again with the above, "Linux." Now, the user simply drags the file onto the "Linux" tag and the file is imported into the Tips folder and tagged as a Linux tip. My plan is to use EN as a document management program in a law practice. As such, I would have 50 or so notebooks at any given time. Each notebook would represent an active client file. With my current setup (DEVONthink), I have specific sub-solders that are identical in each file. Those would become tags in EN. I desperately need a way to import directly into the specific notebook & tag.