To me, the requirement to remove the last page is a bit complicated.

If the last page is preceded by a hard page break for instance, deleting the last page would retain the last page but clear the content from it (other than an empty paragraph). The same thing would happen if the preceding page ended with a table right at the bottom of the page since a paragraph mark needs to be the final thing in the file. If the last page happened to include a section break, the page setup/headers/footers on preceding pages would potentially change.

You could potentially avoid these issues by exporting and specifying the page range to exclude the last page.

And then you have the issue of what to do with a single page document...

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Andrew Lockton
Chrysalis Design, Melbourne Australia