Hi @Sevil Red ,
To export the Chart to Excel, you could try this way;
var rang = oSheet.Range("A1:C10");
var ch = oSheet.ChartObjects().Add(rang.Left +
rang.Width, rang.Top, 350, 220);
ch.Chart.ChartType = 4;
ch.Chart.SetSourceData(rang, 2);
If an Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.