Here's how to turn on Information Rights Management to lock down your files in Google Drive, and control what people can and can't do with the content you share.
How to lock down Google Drive files:-
1. Open, create or upload a Google Docs document, Google Sheets spreadsheet, or Google Slides presentation in Google Drive.
2. Click the Share button in the upper-right corner of the screen.
3. Click the "Share with people settings" gear icon in the top-right corner of the resulting pop-up dialogue box.
4. Uncheck the box labeled "Viewers and commenters can see the option to download, print, and copy."
You'll see a confirmation message that the setting has been updated.
5. Click back to the previous box and click Change in the "Get link" section.
6. Click the first drop-down menu to specify who can open the file. Select "Restricted" to stop unauthorized people accessing the file.
If you want to let others view the file but not edit it, select "Anyone with this link" from the menu, then choose Viewer from the second drop-down.
7. You can now either click Done to save your changes and exit, or enter the email addresses of the people you want to share the file with.
8. Enter a message if you want, then click Send to share the file. This will have your new permissions applied, so that nobody can copy, download, print or change its contents.
taken from : Toms guide.com.
