Linking an Excel spreadsheet to the PowerPoint will insert all the contents of the file as an object into your PowerPoint presentation. Open Microsoft PowerPoint and go to Insert tab Click Object ...

When you insert an object into an Excel file, such as a PDF file, ... You can embed a PowerPoint presentation to bounce out of Excel after sharing data on a workbook.

If you often insert the same graphic file, such as a company logo onto a PowerPoint slide, use VBA to automate the task. Inserting graphics is a big part of creating most PowerPoint presentations.