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This post shows how to add Alt Text to Images, Charts, Objects & PivotTables in Excel. Alt Text provides useful information to persons with disabilities.
You can add alt text descriptions in Excel to any kind of illustration, including photos, screenshots, shapes, 3D models, and Smart Art.
When I create a chart in Excel, I often need to add another box inside the chart—such as a note of explanation. But since the box is not part of the data points, I can’t figure out a way to do this.