You can also add a PDF document as a hyperlink and embed it in your Excel workbook. This method is helpful when you just want to give a reference to a particular PDF document.

Link to a PDF Instead In some cases, you may not wish to embed the PDF directly in the Excel spreadsheet file. This may be confusing to some users and will make the Excel file larger.

Use Hyperlink Function/Formula Another way to manually add a table of contents in Excel is by using the Hyperlink Function.