Using the Excel Text to Column feature, you can choose how to split the column up, fix the width, or split at each comma, period, or other characters.

Is there anyway I can make it so if I copy and paste those comma separated list into it excel it automatically puts each thing into different fields.

You can split cells into columns in Excel using the "Text to Columns" tool, which is a great way to organize lots of data.

How to combine values into a single cell using TEXTJOIN () in Excel Microsoft 365, Excel 2019 and Excel for the web support the function, TEXTJOIN ().