Click the Office button, and then click Excel Options.
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In the left pane, click Trust Center. Then click Trust Center Settings.
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In the left pane, click Privacy Options. Select the options:
Search Microsoft Office Online for Help content when I'm connected to the Internet.
Update featured links from Microsoft Office Online.
Download a file periodically that helps determine system problems.
Sign up for the Customer Experience Improvement Program.
Check Microsoft Office documents that are from or link to suspicious Web sites.
