To animate a line graph in PowerPoint, you need to open the slide, draw the Graph add the labels and then animate the graph as explained here.

Launch PowerPoint and open the presentation in which you want to make a graph. Click the "Insert" tab and locate the "Illustrations" section.

Start the PowerPoint application and use the "File" menu to open the presentation containing the graph to which you wish to add the callout.

True PowerPoint Warriors know that you can--with Herculean levels of effort--animate charts and graphs. What if I could offer you a PowerPoint plug-in that made animated charts as easy as pie?

Link an Excel worksheet to PowerPoint Linking an Excel spreadsheet to the PowerPoint will insert all the contents of the file as an object into your PowerPoint presentation.