Writers use footnotes and endnotes in documents to explain, comment on, or provide references to something they’ve mentioned in a document. Usually, footnotes appear at the bottom of the page and endnotes come at the end of the document or section.
Add a footnote
- Click where you want to add the footnote.
- Click References > Insert Footnote.
Word inserts a reference mark in the text and adds the footnote mark at the bottom of the page.
- Type the footnote text.
TIP To return to your place in your document, double-click the footnote mark.
Add an endnote
- Click where you want to add the endnote.
- Click References > Insert Endnote.
Word inserts a reference mark in the text and adds the endnote mark at the end of the document.
- Type the endnote text.
TIP To return to your place in your document, double-click the endnote mark.
Source: https://support.microsoft.com/en-us/office/add-footnotes-and-endnotes-bff71b0c-3ec5-4c37-abc1-7c8e7d6f2d78