By default, quotes inserted in the documents are automatically converted to curly quotes. If you want to insert straights quotes, you can use the following special sequences in your Replace with: cell:

Note: The special text sequences in this article can be found in the Power Ups menu in your turnsheets. You can use power-ups in your Find & Replace Find column, Merge column headings, and in any Text type columns (they won't work in Rich Text columns).