PowerPoint can display an image when you hover your mouse over an image thumbnail. This allows you to keep a nice, clean slide as well as show your audience more information whenever you want.

How to open a larger image when you hover over an icon

In this example, we have four thumbnails and we want to set up a hover effect that shows a larger image popup when hovering over each of the thumbnails.

First, on a new slide, insert an image thumbnail by choosing Insert > Images. A thumbnail image is any small image that you want to use as a thumbnail on your slide, not a special image.

Here is an example of our slide with four thumbnails.

Next, you will need to add a new slide for each of the large image popups. Right-click the thumbnail of the first slide and select New Slide. Repeat this step for any additional slides needed for each of your large images.

In this example, we have added four new slides.

Next, you’ll create the first popup. On slide 2, delete any placeholders that were added when you inserted the new slide. To remove the placeholder, right-click the edge of the placeholder and select Cut. You can also select a placeholder and press the Delete key.

Then paste in a larger version of your first image (for your first popup). If the slide has a placeholder, click the Pictures icon to insert an image. Also, if your new slide doesn’t include a placeholder, you can click «Pictures» on the «Insert» tab.

Select the thumbnail image and click Insert.

Once your image is inserted, adjust the size of the image on the slide as needed.

Next, let’s add a frame to the image. Double click on the image to activate the Format tab. On the Format tab, click the selected border. In this example, we are using the «Plain frame, white» option.

Repeat the steps to add a larger version of any other thumbnails you use. Here we have added all four large images for our example.

Now go back to your thumbnail slide and click to select the first thumbnail. To create a pop-up image effect, you’ll add an action to the thumbnail. On the Insert tab, click Action.

In the Action Options dialog box, click the Hover tab. Select «Hyperlink to:» and then select the slide containing the thumbnail thumbnail image (in our case, slide 2). Click «OK» when you’re done.

Repeat the same steps for any additional thumbnails, hovering over the action on the corresponding slide that contains the enlarged image, respectively.

To see the hover effect in action, on the Slideshow tab, click From Current Slide or press Shift + F5 on your keyboard.

Hovering over the first thumbnail image displays an enlarged image. However, please note that there is no way to revert to thumbnails. You will need to press the Esc key to return.

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