32-Bit Apps 'Not Optimized for Your Mac' No Longer Working on
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![](https://i0.wp.com/kirkville.com/wp-content/uploads/not-optimized.png?resize=532%2C263&ssl=1)
Kirkville - How to Find Which Apps on Your Mac Are 32-Bit
![](https://cdn2-imgix.macpaw.com/images/content/BlogScreenshot@2x%2032-Bit%20Apps%20will%20no%20longer%20work%20on%20macOS%20Catalina%20Here%E2%80%99s%20what%20to%20do4_1565176543.png?auto=format&fm=png&ixlib=php-3.3.1&q=60&w=608)
macOS Catalina no longer supports 32-Bit apps. What now?
![](https://www.fireebok.com/images/resource/mac-powersuite/optimizedtip.png)
Three ways to check an applications is 32 bit or 64 bit on macOS
![](https://i.pcmag.com/imagery/articles/071jq5DLKCoaO9WxZO2ereW-7.fit_lim.size_2636x1646.v_1570842444.png)
How to Run 32-Bit Apps in macOS Catalina
![](https://i.pcmag.com/imagery/articles/071jq5DLKCoaO9WxZO2ereW-11..v1570842978.jpg)
How to Run 32-Bit Apps in macOS Catalina
![](https://s3.amazonaws.com/neowin/news/images/uploaded/2016/06/64_bit.jpg)
Apple reminds developers that all Mac and iOS 11 apps must support 64-bit - Neowin
![](https://news-cdn.softpedia.com/images/news2/apple-stars-notifying-macos-high-sierra-users-about-32-bit-app-compatibility-520642-2.png)
Apple Starts Notifying macOS High Sierra Users About 32-Bit Apps Compatibility
![](https://appletoolbox.com/wp-content/uploads/2019/11/SearchCriteriaMac32bit.jpg)
How to remove apps no longer compatible with your Mac - AppleToolBox
![](https://forum.glyphsapp.com/uploads/default/original/2X/e/e9788c6d85cecb74945cdd089fe40c3bf4812784.png)
I just received the 32-bit notice on macOS Mojave 10.14.1 - Glyphs - Glyphs Forum
![](https://blog.smu.edu/itconnect/files/2018/05/32-bit-app-is-not-optimized-300x148.jpg)
The end to 32-bit macOS software is coming
![](https://tcn.tidbits.com/wp-content/uploads/2019/04/64-bit-About-This-Mac-1024x618.png)
What's with All These Dialogs Saying, “SomeApp is not optimized for your Mac”? - Austin MacWorks
![](https://cdn.macrumors.com/article-new/2017/10/adobelightroomcc2.jpg)
Lightroom 6 catalina kathryngastmyzeves1986's Ownd
![](https://support.native-instruments.com/hc/article_attachments/360001072598/Screen_Shot_2018-10-24_at_3.20.52_PM.png)
Error Message: *app name* is not optimized for your Mac and needs to be updated – Native Instruments