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Re:How To Open and Manipulate Large CSV Files On A Mac by xrftghvb on Tuesday November 05, 2019 @12:46AM (#21449987)
Maximum number of Rows per worksheet = 1 048 576 (2^20).
Re:How To Open and Manipulate Large CSV Files On A Mac by bArray on Tuesday November 05, 2019 @12:52AM (#21450004)
Apparently you should be able to go way above this [1].

[1] https://stackoverflow.com/questions/41213869/where-to-find-t...