How to Use Third-Party Integrations in macOS High Sierra to Make Photo Projects

macOS High Sierra adds integrations with several third-party apps that let you do all kinds of fun things with your photos, from making photo books to putting them on t-shirts and coffee mugs.Third-party apps supplement the existing built-in tools that allow you to make prints or create books, slideshows, cards, and calendarsYou can use these tools directly in the Photos app without having to visit a third party site, and there's even a special spot in the Mac App Store to download the integrati