Google has made it more easier to open your Microsoft Office, Word, and Excel files that are stored in your Google Drive account with a new plug-in ie Drive plugin. Using this plug-in, you can open your documents stored in Drive, and also save them back to Drive those once changes are complete. Also you can edit the files, as well as create new documents and also save them to the drive.
The plug-in also allows you to use apps to create and edit documents, while still using convenience of Google Drive. You can download the free plug-in from Google now.