Select the text and click Insert > Table > Convert Text to Table. Choose the number of columns for your table, and let Word automatically select the number of rows.

Microsoft Word quickly converts columns to a table when you apply the "Insert" ribbon command and then select the "Convert Text to Table" option.

If someone requests the data in comma-separated values (CSV) or another delimited format, you can convert the table back into text. To do this, select the entire table by clicking the “move ...

Text does behave somewhat differently when typed into tables, and Word provides some additional tools specifically designed for typing in tables.