Write Excel formula into cell uipath

You can also do it with Invoke Code. It is better and faster. See attached file:
Sequence35.xaml (5.4 KB)

You need to import this package to your UiPath Studio:
Microsoft.Office.Interop.Excel

Dim xlApp As Microsoft.Office.Interop.Excel.Application = New Microsoft.Office.Interop.Excel.Application

Try
Dim xlWorkbook As Microsoft.Office.Interop.Excel.Workbook = xlApp.Workbooks.Open(Path)

'Define Excel Sheet
Dim xlWorksheet As Microsoft.Office.Interop.Excel.Worksheet

xlWorksheet = CType(xlWorkbook.Sheets(“Data”), Microsoft.Office.Interop.Excel.Worksheet)

'Activate Worksheet Data
xlWorksheet.Activate()

'Write Formula in Cells: F2 to F30
xlWorksheet.Range(“F2:F30”).Formula=“=VLOOKUP(E2,Supersmart!A:A,1,0)”

'Save Workbook
xlWorkbook.Save

'Close Workbook
xlWorkbook.Close

Catch ex As Exception
Throw ex
Finally
'Close Excel Application
xlApp.Quit
End Try