Yes, you can download a complete Transaction history by visiting the Transactions page and clicking the download icon under the Transactions table. The downloaded CSV file will reflect the current filters you have selected for the table. For example, if you have filtered the rows for a specific date range, your downloaded data will include transactions only within that date range. To download your complete Transaction history, simply remove any filters and click the download link.
When downloading the data, you will have a chance to choose a custom name the CSV file. You can always leave the default name in place and simply click the Download button.