Excel graphs with 1,000 or more points should not auto label

As a frequent user of Excel, I am fairly familiar with its features. However,
lately when I have created correlation charts, which typically range between
5,000 and 30,000 data points, Excel has taken upon itself to switch my
options to label all data points in the file after I save and reopen the file
at a later point. This can take a while, and if you are not careful in
trying to fix the situation, excel will begin to relabel all data points.
Occasionally, this has frozen my machine as well since it takes up a good
amount of my proccessor in the proccess. Any Ideas on how to fix this?

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