Here's how you can insert a multiple page PDF file into an Excel spreadsheet:

1. Open your Excel spreadsheet and click on the cell where you want to insert the PDF file.
2. Go to the Insert tab in the ribbon and click on Object in the Text group.
3. In the Object dialog box, select Adobe Acrobat Document from the list of object types and click on OK.
4. In the Create New tab of the Object dialog box, click on the Browse button to locate the PDF file you want to insert.
5. Select the PDF file and click on Open.
6. In the Object dialog box, check the Display as icon box if you want to insert the PDF file as an icon. If you want to insert the PDF file as a full page, leave the box unchecked.
7. Click on OK to insert the PDF file into your Excel spreadsheet.
8. If you inserted the PDF file as an icon, you can double-click on the icon to open the PDF file in Adobe Acrobat Reader. If you inserted the PDF file as a full page, you can use the scroll bars to navigate through the pages.

That's it! You have successfully inserted a multiple page PDF file into your Excel spreadsheet.