Hey all, one of the people in my office received this email a few weeks ago and I was just made aware of it. Does anyone know how I view the testing window or look for the URLs it's referencing?

I don't know the window, but I can tell you what to look for. You know how your URLs are now 'https://ACCOUNTID.app.netsuite.com'. They used to be https://LOCATION.app.netsuite.com', where location was 'nw1', 'nw2', etc. Look for URLs that don't have your account ID, and instead use the location of your data. Get those replaced and things should be all good!