Can someone advise how to reset my passport password please?
You can refer to the manual
chrome-extension://oemmndcbldboiebfnladdacbdfmadadm/https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/wd/product/external-storage/my_passport/my_passport_wireless_ssd/user-manual-my-passport-wireless-ssd.pdf
Remember to back up your data first before you do any reset.