How to Insert an Attachment Into an Excel Spreadsheet. When you insert an object into an Excel file, such as a PDF file, Word document or an email message, you can access it more easily during a ...

To embed or add a Word document inside Excel requires the user to do so via Objects, Paste special, Linked documents, or creating a new file.

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.