Just right-pick the file, hover over Open With and select App Store…
This opens up the App Store and searches for any apps that can bring up the file you selected.
Tuesday Tips: Find the Right App to Open A File Using the App Store| Macgasm
Find the Right App to Open a File Using the App Store on a Mac
Sometimes, you'll come across a file format you've never seen before and can't open on your Mac. A quick Google search will point you in the right dir
