Yes, it is fairly easy to transfer data from Quicken to Banktivity. The first step is to export your accounts from Quicken in QIF or QMTF file format (please export all accounts in a single QIF/QMTF file). Then use the QIF/QMTF file to import your data into Banktivity on your Mac. Transferring data from Quicken to Banktivity is covered in detail in the Getting Started section of the Banktivity 5 user manual: https://www.iggsoft.com/manuals/Banktivity_5_Manual.pdf
Also, there is a great tutorial video, “Importing You Quicken Data Into Banktivity 5,” on the Tutorials section of our website: https://www.banktivity.com/banktivity/tutorials.php