File Setup To build a CSV file to open in Microsoft Excel, you'll need to decide how many columns you'll use in Microsoft Excel for the categories of information you're preparing in Notepad.

Just remember that Excel files are not meant to be edited in text editors directly if you want to preserve the data's integrity and formatting. For extensive Excel file manipulation or data analysis, ...

Luckily, Excel offers handy formulas that allow you to convert text into upper case, lower case, title case, and even sentence case with minimal effort.