![]() ![]() In this post, I’ve outlined the different ways I’ve tried to manipulate large CSVs and their results. A good text editor can open these large CSVs but you lose spreadsheet capabilities like rearranging columns and filtering data. I set out to figure out how to open and manipulate these files in a free and somewhat accessible way that was fast and didn’t risk crashes.Īs a software engineer with a history of supporting marketing teams, I often encounter extremely large datasets including customer segment exports or analytics event logs that can be larger than a gigabyte. Have you ever struggled to open and manipulate a large CSV file on a Mac? 100MB? 1 gigabyte or greater? Extremely large CSVs bring most spreadsheet utilities to a halt or the computer. How To Open & Manipulate Large (>100MB) CSV Files On A Mac
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