Google Drive allows you to view files such as photos, videos, PDF's and Microsoft Office files on the web.
To view files in Google Drive, go to https://drive.google.com & sign in to your account and double-click on the name of a file. You can choose several actions for your file. You can quickly rename a file by clicking on the file name, zoom it, share it, print it, download it and open the file with a Google Drive app.
Open a File with an App:
You can open a file using web apps or apps installed on your computer. Right-click a file and hover over "Open with" and then choose an app to open a file. You can also choose a default app to open certain types of files like photos.