Insert a blank page behind the text first, then insert a breakpoint at the end of the text, position the cursor at the last blank position of the text, there is a break item under the PageLayout of the toolbar, click the small inverted triangle in the lower right corner of it, and select nextpage under sectionbreak; Click the small arrow in the lower right corner of Reference to open the dialog box. Click the endnote drop-down box, select "endofsection", click Apply, and then close the dialog box. You can add "appendix" after the endnotes.

Appendix refers to articles or reference materials attached to the back of the text, which is a supplementary part of the manual or paper and is not necessary. This is a material that is inconvenient to include in the text because it is too large or taken from a copy.