Open the PowerPoint presentation
Go to the slide where you want to insert Excel content
Click the Insert tab
Select Object
Choose Create from file
Browse and select the Excel file
Click Insert
Choose Link if you want the Excel file to stay connected to the source
Click OK
Resize and position the inserted Excel object on the slide
Alternatively, copy the Excel range
Paste it into PowerPoint
Choose Paste Special if needed
Select Microsoft Excel Worksheet Object or Paste as Picture
Adjust formatting and size as needed