Unless you're familiar with using ActiveX controls, which load outside Excel to enable additional programming features, select the "Form Controls" check box.

Starting this month, the Windows versions of Microsoft Word, Excel, PowerPoint, and Visio in Microsoft 365 will disable all ActiveX content by default without showing a notification. The Mac and ...

After Office 2024 launches in October, Microsoft will disable ActiveX controls by default in Word, Excel, PowerPoint, and Visio client apps.

With Office 2024, ActiveX controls in Word, Excel, PowerPoint, and Visio will be turned off by default, and users will not receive any warnings.