It's nice see that OneNote is now a free program.
Do have one hick with this software.
The other day, tried to import a .pdf file but it created separate "pages" for each page instead of one page (as hoped for) but ended up with over 400!
Go to FILE tab
Scroll nearly to bottom, for PRINTOUTS
Uncheck "Insert long printouts on multiple pages"
Evidently i went on to delete the OneNote pages but it seems that we can only delete one page at a time.
Fortunately, i was able to transfer the other pages to another "tab" then simply delete the one with all the extra pages.
Wish there was a way to batch delete some pages instead of one at a time.
Deleting multiple pages at once is very easy, even more so for your particular situation.
The list of pages is displayed in the left sidebar:
Clicking on a page name once displays that page.
However, clicking on it twice turns the bar with the page name darkish gray? taupe? puke?
That page is now "selected."
Now use either the SHIFT or
CTRL key to select other pages.
SHIFT selects all everything in between.
The bars of the additional selected pages will also turn dirty diaper colored.
Don't bother to right click.
Just press DELETE.
Your printout was created as a single "top-level" page and a billion subpages.
Make sure you collapse all the subpages first.
To do that, mouseover the top-level page bar, and a carrot "^" will appear.
Click the carrot and it will collapse the pages, displaying a v "v"
Click the top level page twice to gray it and hit delete.
The whole set of pages will be deleted.