How do I disable command-O?

In my work, I have to italicize a lot of stuff, and my fingers keep accidentally hitting command-o when I try for command-I.


I have Google searched how to disable command-o to no avail. There are endless explanations for earlier operating systems. I'm in Ventura.


Is there any easy way to do this? Can somebody walk me through disabling command-o. Thanks.

Posted on Jan 25, 2024 9:36 PM

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Posted on Jan 26, 2024 2:44 AM

Command-O is the standard shortcut for "Open...".


What application are you using to write? I tested the following with Pages, and it worked. If you write on a different one, adapt accordingly. You can change the shortcut for all applications, but I would not recommend it - then you'd lose the ability to use Command-O throughout.


1) System Settings->Keyboard->Keyboard Shortcuts->App Shortcuts

2) Click + to add a new shortcut; select Pages as the application; enter "Open..." (WITHOUT quotes) as the menu text; select a different shortcut (in my example, Command-Control-Option-Shift-O).


Now, Command-O beeps, and Command-Control-Option-Shift-O get the open file dialog.



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Question marked as Top-ranking reply

Jan 26, 2024 2:44 AM in response to Lacie20

Command-O is the standard shortcut for "Open...".


What application are you using to write? I tested the following with Pages, and it worked. If you write on a different one, adapt accordingly. You can change the shortcut for all applications, but I would not recommend it - then you'd lose the ability to use Command-O throughout.


1) System Settings->Keyboard->Keyboard Shortcuts->App Shortcuts

2) Click + to add a new shortcut; select Pages as the application; enter "Open..." (WITHOUT quotes) as the menu text; select a different shortcut (in my example, Command-Control-Option-Shift-O).


Now, Command-O beeps, and Command-Control-Option-Shift-O get the open file dialog.



Jan 26, 2024 1:15 PM in response to BobHarris


BobHarris wrote:

NOTE: ... is not 3 periods, it is a single character Option-Semicolon …


Thank you.

I remember having this in mind ever since Classic Mac OS (yes, I am old!).

But in most cases that I've tried in recent years - and including today with Pages - it works perfectly well using three periods.

Maybe it does not work in Opera, and this is why it is failing for the OP, though.



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How do I disable command-O?

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