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.

Copying a chart from a Microsoft Excel workbook document into your PowerPoint presentation can save you the time and effort of creating a new chart in a PowerPoint slide. By default, the copied chart ...

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