How to temporarily launch a file in a different app This is very easy and it won’t change the way your Mac treats files of that type in the future. Open the Finder and navigate to the file you ...

Arc is a great open source app for cross-platform file sharing Before we get into it, do note that Arc is still in beta. So, you may stumble upon some problems, even though it was fairly stable ...

Apps that open files In macOS, you can change what app opens a specific file type from the file itself. Right-click a file that you want to change the default app that opens, and select Get Info.

Click Open. If the app that you want to use to open the file type is greyed out, it's because macOS doesn't think there's a valid association between the two.

The free doctape Viewer iOS app lets you open more than 80 different file types using an iPhone, iPad, or iPod touch. The app is very useful, but CIO.com blogger James A. Martin found a few drawbacks.