The addition of Chrome Office viewer gives you the opportunity to open files like Excel, World, PowerPoint directly from you browser Google Chrome that support the following file format ppt, xlsx, xls, docx, doc, pptx.  




So no need to download the file and save it on the computer, just open the link and it will open directly in the browser to preview.

To add this following property to your chrome browser it's enough to access this link Here and follow the steps.

when you click on the link you will see this interface click on Free+
 
after cheeking a message will appear click on Add or (Ajouter) and wait the uploading.


after that the Extension is added to you browser. Enjoy it