Macro - Google

1. In the Confluence page edit mode, select a Google Drive macro.

2. When the Insert 'Drive' Macro window appears, click on the box 

You may be asked to log in to your Google account.
After logging in, the Google file selection dialog window will appear.

3. Browse for the files in your Google Drive click Select on the file you want to embed in the Confluence page.

4. After you have saved the page, you should have the Google file embedded, like this: