The article How to use Microsoft Lists to organize Excel data you must track or share is an introduction to sharing Microsoft Excel data with other users via a list prepared by the Microsoft Lists ...

Learn how to share your Excel Workbook across the web with others. You can do all the sharing via cloud apps like OneDrive right from within Excel.

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.