iMac won't allow me to select file sharing running macOS Catalina

I'm trying to select File Sharing to ON, and the box will not select. I have tried what I can find on the internet, and so far nothing has worked. Any help is appreciated.


[Re-Titled by Moderator]

iMac 27″, macOS 10.15

Posted on May 9, 2025 07:47 AM

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3 replies

May 9, 2025 08:15 AM in response to smitchell23

It looks like one is a 27" iMac running macOS 10.15 Catalina.

What is your other Mac and what macOS version is it running..?


For the "File Sharing" instructions, have a look at > Set up file sharing on Mac - Apple Support

(note: that different macOS versions can be selected at the top of the page)


Also FWIW, Screen Sharing your Mac's is another option that can make File Sharing easier to manage.

For "Screen Sharing" have a look at > Share the screen of another Mac - Apple Support

(note: that different macOS versions can be selected at the top of the page)

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iMac won't allow me to select file sharing running macOS Catalina

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