You can create a photo album using PowerPoint 2016 for Mac—all you need is the photos you'd like to add.
Apply a photo album template to your presentation
Go to File > New from Template.
In the PowerPoint presentation gallery, search for the kind of photo album you'd like to create. You can simply search for "photo album," and you'll see a variety of designs to choose from.
Choose a photo album template you like.
Click Create to apply the template to your presentation.
Note: Most photo album templates provide photo and caption placeholders. The first few pages will often show you how to add new slides, pictures, captions, and styles to your pictures.