You can then proceed with using the QuickBooks 2020 Converter utility to convert your Quicken data file to QBDT 2020. QFX file you saved on your storage media.
QFX file to a storage media (USB flash drive or CD/DVD) that will allow you to move it to a PC. You'll have to convert your Quicken for Mac file to Quicken for Windows before you can proceed. Hi lend you a hand with your concern about converting your Quicken for Mac company data to QuickBooks Desktop (QBDT) 2020.