AutoSave disabled as file appears to contain personally identifiable information.

To find and remove hidden data and personal information, use the Document Inspector. 

1. Select File > Info. 

2. Click Check for Issues > Inspect Document. 

3. In the Document Inspector pane, select the types of information to seek. 

4. Click Inspect to display results in the Document Inspector dialog box. 

5. For each type of hidden data to be removed, click the adjacent Remove All button.