For ExcelNow! to work properly, the language for Excel must be set to English. To check the language settings, follow the below steps. If you have not already done so, you should ensure that Windows is set to English before verifying the language settings in Excel.
- Open Excel
- Open the Options dialog by clicking File and then Options
- In the Options dialog box, select the Language option from the list on the left
- Ensure the Editing language is set to English (see highlighted text in the top section of the screenshot below) and that the Display language is set to Match Microsoft Windows.