Can I use 32-bit Applications with High Sierra?

In the pursuit of technological excellence, Apple is marching towards developing their applications to be 64-bit applications. This has many advantages; access to more memory, improvements to processing power. However, this does mean 32-bit applications are eventually on their way out.

In macOS High Sierra 10.13.4, warnings will be issued if you open up a 32-bit application. It is important to note that these applications will still work, but in future versions of macOS, this functionality may phase out. Therefore, you'll need to be aware of how to check which of your applications are 32-bit or 64-bit applications.

How Can I Check Whether My Apps are 32-bit or 64-bit?

First, navigate to your Finder and click Applications in the sidebar. Scroll down and expand the "Utilities" folder. Inside this folder, look for "System Information".


Alternatively, you can use the Spotlight Search by clicking the magnifying glass in the upper right corner of your screen to search for "System Information".



Once the System Information window is open, you'll want to scroll the sidebar down to the "Software" node. Expand this node by clicking the triangle, and then click "Applications", as shown in the below screenshot.


The Applications view displays all of the installed Applications on your computer. Many of these are applications you would expect, like QuickTime Player and such, but will also include several internal Applications that make up all of the background services that handle many of the complex details of your computer.

By default, the far right column indicates which applications are 64-bit.

What about MacPractice?

MacPractice is a 64-bit application. No worries there!


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