I have a few columns that are dates YYYYMMDD (text from WooCommerce export). I need to format them as any kind of excel date. Preferable YYYY-MM-DD. My years go back at least 50 and I am dealing with a little over 20k line items. Below is a snippet of my CSV file.
TIA,
Jon
Date
20160708
20160708
20091007
20100907
20100511
20110705
20090806
20120215
20100326
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