Dynamic Excel Link
Clients with an Enterprise Services subscription can automatically send data calculated in a watchlist to Excel. If the watchlist is linked to a realtime data provider then the Excel file will automatically update as the new data is calculated in the watchlist.
Right-click on the watchlist and select Send To > Excel under Actions:
NOTE: when Excel is closed the link to the watchlist is broken. To learn how to maintain the link to Excel see this video: