Ok noted. "few notebooks with many tags"
I have been using Evernote for years, I'm on Premium account with total 13000 notes now, mainly used to keep personal document/bills/statement and information.
Lately due to work, I'm exposed to OneNote, I find the structure is easy on organizing the pages/notes. At work when I'm picking up new skills, I use OneNote to structure the course contents, it gives me the visibility that I want.
That's why I'm revisiting Evernote functions, see how I can make full use of it, since it is a paid subscription