Click the Office button, and then click Excel Options.
In the left pane, click Trust Center. Then click Trust Center Settings.
In the left pane, click ActiveX Settings. Select the Safe Mode.
12.3.Security Settings | ||||
12.3.1. | Set Security Settings for Workbook Links | |||
12.3.2. | Set Privacy Options | |||
12.3.3. | Set Parental Controls for Online Research | |||
12.3.4. | Set Security Settings for Data Connections | |||
12.3.5. | Enable Office Safe Mode | |||
12.3.6. | Start User-Initiated Safe Mode |