Sometimes a user might face issues while exporting QuickBooks transactions to CSV format like registry errors, comma at end of line error, and file not exporting error or when you convert QuickBooks file to csv format, users can contact Error Support Team at 1.800.579.0391 for help related such errors. After editing, you can also import the CSV file back into QuickBooks Desktop using QuickBooks Import Excel and CSV toolkit. Using this method, you can easily open QuickBooks file in CSV format and edit it using any text editor.
NOTE: Also Read How to Import QuickBooks Desktop to Online for Pro and Premier Files.