Both the Excel sheets and PowerPoint slides are used side by side and, we often copy the tables and charts from Excel, and paste them into PowerPoint slides to make a slideshow presentation.

Therefore, using Excel to first create your charts and then importing them into PowerPoint allows you to create presentations with chart data that is more accurate.

The Excel spreadsheet data pastes into the PowerPoint organizational chart. Note that pasting a long string of Excel data may cause PowerPoint to reformat the text box and the chart, making it ...

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.