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To be honest that is not Mac choking but rather MS office product just like excel does.

For excel, we at work choke the whole computer with 500mb files. But then i put the same dataset into python or SAS, and it doesn’t even blink an eye, which leads me to believe that there is more than enough computing power and it is ms office freezes itself with whole computer.
This doesn’t surprise me in the slightest. In my case it’s the only thing that’s slowed down my M1, otherwise the machine has been flawless.
 
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