Copy Photos from iMac to SSD external drive
I have over 50,000 photos/videos on my iMac (approximately 2014) and it is running Catalina. I want to copy all my photos/videos to a SanDisk 1T SSD drive. Every time I attempt to cut and paste all photos, it stalls and pinwheels indefinitely. (I've left if for over 24 hours with no success). I am using time machine as well, but I want to have a separate drive with just my photos as a back-up. Any suggestions?
iMac Line (2012 and Later)