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  1. #1
    Macintosh OS 10.15 "Catalina"
    Randy B. Singer's Avatar
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    Feb 01, 2011
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    Macintosh OS 10.15 "Catalina"
    The next version of the Mac OS will be out in a few months, and it will be called "Catalina."

    The big news is that it won't run 32-bit apps, only 64-bit apps.

    So, lots of folks are going to be asking if "this app" or "that app" is 64-bit in the next few months, or "which apps do I have installed that won't run under Catalina."

    Fortunately someone has created free software to make finding out if software is 64-bit dead easy (even easier than using Apple's System Profiler):

    32-bit check (free)
    Check any, or all, folders of your choosing, and you can check just your apps. Generates text reports if you like.
    32-*****eck & ArchiChect – The Eclectic Light Company

    Archichect (free)
    Drag and drop utility that instantly tells you if one particular app is 32- or 64-bit
    32-*****eck & ArchiChect – The Eclectic Light Company
    Randy B. Singer
    Co-author of The Macintosh Bible (4th, 5th, and 6th editions)
    Mac OS X Routine Maintenance • http://www.macattorney.com/ts.html

  2. #2
    Macintosh OS 10.15 "Catalina"
    Slydude's Avatar
    Member Since
    Nov 16, 2009
    Location
    North Louisiana, USA
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    2.8 GHz 2008 MacBook Pro 10.11, 8 GB mem, iPhone XS, 2015 iMac 16 GB 10.14.4 beta
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    Thanks for that Randy. I've used Apple System Profiler a few times to find this out but it's not as convenient as it used to be. It seems like sometime recently we lost the ability to print a text-based report. I think this worked as recently as in High Sierra but don't quote me on this.
    Last edited by Slydude; 06-23-2019 at 11:59 PM. Reason: Corrected major typo
    “Hard work beats talent when talent fails to work hard.”
    Kevin Durant

  3. #3

  4. #4
    Macintosh OS 10.15 "Catalina"
    pine man's Avatar
    Member Since
    Jul 15, 2014
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    West Sussex, UK.
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    391
    Your Mac's Specs
    iMac 21.5" 3.1GHz Core i7 16GB RAM Catalina. iPad Air. iPhone 6S. iPod nano.
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    Thanks for that Randy. Surprisingly a lot of mine are Apple apps plus a sprinkling of Adobe ones as well (not so surprisingly!).

    Nothing I have got displayed as 32bit would cause me to lose sleep if it didn't work with the advent of Catalina.
    Peter - I used to be paranoid but now I just worry all the time

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