Documents in Google Apps appear there, with extensions like .gdoc and .gsheet, and if you double-click them they open in your web browser. Offline editing is not supported. Still, you do not have to use Google Apps with Google Drive. Another issue is that Google may trawl your data to personalise your advertising and so on, which is uncomfortable – though when it comes to paid-for or educational services, Google says:Note that there is no ad-related scanning or processing in Google Apps for Education or Business with ads disabledGoogle Drive can be upgraded to 16TB, which is a factor if you want huge capacity online; but by this stage you should be looking at specialist services such as Amazon S3 and others as well.
