The edit box shows the path to the last loaded file and allows to enter or edit the file name manually without calling the browse for file dialog. Once the file name is entered, press the Enter key to load the file.
The checkbox defines if already loaded transactions will be cleared before loading the next file or the next file will be appended to already loaded ones. Use the Edit Undo menu item under the main menu to undo the last file load.
Change the amount sign allows quickly change the amount sign for all loaded transactions. It useful when the amount for withdrawals supplied as positive number, but should be negative for correct conversion. Please note that all transactions (deposits and withdrawals) will change the sign (withdrawals become deposits, and deposits become withdrawals).