Currently each data alert subject can be customized and globally data alert template can be modified for the email body . There is no provision to update the global subject for data alert. We Dont want data to be updated in alert subject. So we want to edit data alert subject for all alerts, currently this is not possible.
NOTE: Upon clicking this link 2 tabs may open - please feel free to close the one with a login page. If you only see 1 tab with the login page, please try clicking this link first: Authenticate me! then try the link above again. Ensure pop-up blocker is off.