You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...
You can split cells into columns in Excel using the "Text to Columns" tool, which is a great way to organize lots of data.
The best way to do this is by converting your data to an Excel table. Select your data range (A1:E11), press Ctrl + T, and click OK. Excel names it something like "Table1"; in my case, it's Table3, ...
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