You can add alt text to shapes, pictures, charts, SmartArt, and other graphics in Microsoft Excel, Word, PowerPoint, and Outlook, but the processes and how alt text works differ slightly.

Word documents can be made accessible with proper headings, built-in numbered or bulleted lists, descriptive links, adding alternative text to images and adding headings to tables.

Learn how to remove, turn off or disable Alt Text for pictures in Microsoft Word. Uncheck Automatically generate alt text for me check box.

To add your own alt text to a photo or video, upload the photo, mouse over it and click Edit, and then select Alternative Text on the left side. To edit it, select Override Generated Alt Text ...