Also, you can add any watermark, including text, picture, shape, icon, 3D models, SmartArt, chart, etc. It is possible to insert images from online sources as well.

How to add alt text to an existing image in PowerPoint. 1. In PowerPoint, find the image you want to update and click it. 2. Select "Picture Format." ...

To copy a picture as a background in PowerPoint, you need to go to the Design tab and click on the Format Background option. choose the Picture or texture fill option and click the Insert button.

Now, add some flashy text to that mix—judiciously—to give your ideas more sizzle. Special effects in PowerPoint are minimal, but you can combine effects to create some interesting visuals.

Open the PowerPoint presentation you want to edit. Click to select the object on the slide that you want to animate. For example, you can animate text to come in or a picture to fade away.

To add your image, click the "Clipboard" button if you have one already copied. If it's a usable image, PowerPoint will automatically fill the slide. 1o. If the image is not usable, select "Insert…" ...