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Macos Sequoia 15.0 and office 365 - not responding

Since installing macOS Sequoia (15.0), I've had a problem when I open a Microsoft Word, Excel and PowerPoint file with Office 365 (latest version 16.89). The application doesn't respond. I have to force it to quit and open again: MS Word opened the file correctly. I've reinstalled Office several times, but the problem persists. In general, I can open one file, then application not responding.

Mac Studio, macOS 14.7

Posted on Sep 25, 2024 7:49 AM

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Question marked as Top-ranking reply

Posted on Oct 2, 2024 6:43 PM

This worked for me: Open the Terminal and run the following commands:

/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user 


sudo /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -seed -lint -r -f -v -dump -domain local -domain system -domain user -domain network


killall Dock


52 replies

Macos Sequoia 15.0 and office 365 - not responding

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