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Written by bryce · 6 October, 2019

With the 2019 release of macOS Catalina, applications developed with a 32-bit architecture will no longer be supported. Catalina exclusively supports modern 64-bit apps.

Developers of Mac applications have known about the transition to 64-bit apps for several years, and most modern applications have or will be updated to work with Catalina. However, there may be some old or no-longer developed apps that are 32-bit only.

More reading about macOS Catalina & 32-bit apps:

Apps flagged as 32-bit in the RoaringApps database are listed below. Before upgrading to macOS Catalina, check to see if any of the apps you use regularly are in the list.

You can also use the Go64 application to scan your Mac and see which applications are 32-bit, and which are still using a 32-bit framework.

If you've got a RoaringApps account, you can also see which of your favourited or installed apps are flagged as 32-bit.

32-bit Applications

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