ukw

Doesn't make much sense to refer to OneNote here, although both applications serve a similar purpose. But as Evernote is based on a database (afaik), OneNote is based on file and folder structures on the storage level (even when the notebooks are stored on OneDrive, where the OneNote files are hidden except for a URL link file). In the original OneNote format notebooks are simple folders in the file system, sections are files (with the .ONE extension) that hold all pages and subpages in an object centered format based on XML. So it's natural for OneNote to use a hierachy, but lacks 1-to-n

I am no programmer so I may well be completely wrong here. But I could imagine that the main problem with offering complete encryption on a cloud-based service like Evernote may be the search / indexing function. To my understanding, the search mechanism needs to access ALL notes if you do a global search. So to find a specific word you would have to either download every single note and decrypt it, so the search term and content could be compared for a possible match. Yes, I know, this is simplified because index tables are searched, not the actual notes. But the problem is basically the same