Trust access to the VBA project object model Block or allow programmatic access to the Visual Basic for Applications (VBA) object model from an automation client. This security option is for code written to automate a Microsoft 365 program and manipulate the VBA environment and object model.

Enable or disable ActiveX settings in Office files. Applies To. See how to work with ActiveX controls in your files, changing their settings, and how to enable or disable them by using the Message Bar and the Trust Center. You can also learn more about ActiveX controls and how they improve your files.

Microsoft Visual Basic for Applications (VBA) enables non-programmers to record, create, and edit macros that can automate tasks in Office applications. This article explains where you can find help when you use the Visual Basic Editor provided in your Office application.

This article describes how you can digitally sign a macro project on Windows by using a certificate. If you don't already have a digital certificate, you'll need to get one. Tip: To use or test macro projects on your own computer, you can create your own self-signing certificate by using the Selfcert.exe tool.

To run a macro in PowerPoint, the Developer tab must be visible on the ribbon. See Show the Developer tab. With the Developer tab visible: On the Developer tab, in the Code group, click Macros. In the Macro dialog box, under Macro name, select the macro that you want, and then click Run.

The macro recorder, which automates frequent tasks, isn't available PowerPoint. But you can use Visual Basic for Applications (VBA) to create or edit macros.

On the File tab, go to Options > Customize Ribbon. Under Customize the Ribbon and under Main Tabs, select the Developer check box. After you show the tab, the Developer tab stays visible, unless you clear the check box or have to reinstall a Microsoft 365 program.

Add-ins are supplemental programs that add custom commands or custom features to Office programs. You can obtain add-ins for PowerPoint at Popular Office downloads or on third-party vendor websites. If you are a developer, you can write your own custom add-in programs by using Microsoft Visual Basic for Applications (VBA).

Open XML Formats and file name extensions. Applies To. Microsoft Office uses the XML-based file formats, such as .docx, .xlsx, and .pptx. These formats and file name extensions apply to Microsoft Word, Microsoft Excel, and Microsoft PowerPoint.

This article details which file format can be added to a PowerPoint show. Learn more about the various file formats that are supported in PowerPoint.