To insert footnotes into your Word document, do the following…ġ. Word automatically keeps track of the numbering and placement of the footnotes for you, making this a painless task to perform when writing that thesis, book, or scientific paper. They normally use a superscript number as a marker, making it easy for the reader to simply look down from the text to the notes at the bottom to gather further information. Footnotes are sometimes necessary for providing additional information in your document.