RevitVBNETOpenExcel
From scripting
Imports MsExcel = Microsoft.Office.Interop.Excel Partial Class ThisDocument Public Sub OpenExcel() Dim excel As MsExcel.Application = New MsExcel.ApplicationClass() If (excel Is Nothing) Then MsgBox("Failed to get or start Excel!?") End If excel.Visible = True Dim workbook As MsExcel.Workbook = excel.Workbooks.Add '.new '.Open(dlgFileXLS.FileName) Dim worksheet As MsExcel.Worksheet = workbook.ActiveSheet End Sub End Class