You can make a curved graph in Excel and Google Sheets using this tutorial. Learn how to convert sharp edges into smooth lines in a spreadsheet graph.

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.

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

How to Make a Striped Line on a Bar Graph in Excel on a Mac. When preparing a bar chart for presentation, vary the appearance of the bars to increase the legibility by providing contrast.