How to: Programmatically Open Workbooks

The Workbooks collection in Microsoft Office Excel makes it possible to work with all open workbooks and to open workbooks.

Applies to: The information in this topic applies to document-level projects and application-level projects for Excel 2013 and Excel 2010. For more information, see Features Available by Office Application and Project Type.

To open an existing workbook

  • Use the Open method of the Workbooks collection, passing in the path to the workbook.

    this.Application.Workbooks.Open(@"C:\Test\YourWorkbook.xlsx");
    

This code example requires the following:

  • A workbook named YourWorkbook.xls must exist in a directory named Test on drive C.

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