Archive for January 30, 2019

Detecting installed 32-bit applications on macOS Mojave

January 30, 2019 Leave a comment

Over the past couple of OS releases, Apple has made it increasingly clear that 32-bit applications are on the way out. Starting with macOS High Sierra 10.13.4, launching a 32-bit application for the first time will result in a message similar to this being displayed:

macOS High Sierra 10.13.4 and later

Macos high sierra 32 bit app alert

macOS Mojave 10.14.x

Macos mojave 32 bit app alert

When the Learn More… button in the alert window is clicked, the following Apple KBase article opens in your default web browser:

32-bit app compatibility with macOS High Sierra 10.13.4 and later

To help identify if and where 32-bit applications have been installed, you can use /Applications/Utilities/System‘s list of installed software to identify which installed applications show up with the following status:

64-Bit (Intel): No

Screen Shot 2019 01 30 at 4 02 22 PM


To assist with automating this task, a script is available which uses the /usr/sbin/system_profiler command line tool to detect all 32-bit apps installed in /Applications, /Library or /usr/local and output the list to a logfile stored in /var/log. For more details, please see below the jump.

Read more…

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