Configure Internet Explorer to open Ms Office (Word,Excel,Power Point Etc)documents

Method 1

Open My Computer and On the Tools menu click Folder Options.

Click the File Types tab.In the Registered file types list, click the specific Office document type (for example, Excel), and then click Advanced .

In the Edit File Type dialog box, click  the Browse in same window check box .and click clear other check box


Click OK 2 times.


private void Form1_Load(object sender, EventArgs e)
{
    webBrowser1.Navigate(@"C:\sample.xls");
}