if you have access to the source file, you can link a table or graph in Excel to your PowerPoint slide. If the data in the worksheet is changed, it is automatically updated.

Pasting an Excel chart links the chart to PowerPoint. If you move the Excel file from its original folder location, PowerPoint won't be able to find the chart data or display the information in ...

If you often insert the same graphic file, such as a company logo onto a PowerPoint slide, use VBA to automate the task.