You can add a border to the image in Microsoft PowerPoint and PowerPoint Online. Add a black, dotted, white frame, etc. using this guide.

You can add a border to a PowerPoint slide by adding a rectangle shape and removing the fill color, which will give the appearance of a border. Business Insider Subscribe Newsletters ...

Open PowerPoint and click on the "Insert" tab. Click "Picture" and browse to the photo that you want to use for your border. Double-click the file to insert it into your PowerPoint presentation.