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.

How to Copy Delimited Text to Excel. If you have data in delimited text files from other programs that you need to get into an Excel workbook, you can use the import wizard to import delimited ...

You can add a column in Excel by right-clicking or using the “Insert” option. These features are helpful for adding new data to a spreadsheet.