I purchased the SanDisk Extreme 256 GB and got it to work with both the Mac and ANAFI. Not exactly sure why it started to work but here is what I experienced.
1) Put the microSD card in the adapter card and inserted into Mac. Disk drive image came up, no problem.
2) Put microSD card into the ANAFI, Card error, had to format card using the FF6 app connected to controller.
3) ANAFI worked was able to video and take pictures.
4)Took card out of ANAFI and inserted it into the Mac again. Problem. Mac did not recognize the card and when hitting the, I believe, inspect button that came up with the error. I was in the disk utility program, where I was able to Erase, First Aid, Restore, etc.
5) took card out put it into the pc laptop, downloaded everything from the card no problem.
6) Put back into Mac, error came up, clicked inspect, than erase, than format exFAT.
7) Put back into the ANAFI, and same problem as above, Repeated this cycle for two days.
8) Than tried to Fomat the microSD card on the Mac with the MS-DOS(FAT), but still ran into problems when going back to the ANAFI.
8) Now when troubleshooting some camera issue with the ANAFI, I took the microSD card out and downloaded what I had to my PC.
9) Put the battery back on the ANAFI with no microSD card and powered on, again trying to resolve an unrelated camera issue.
10) Put the microSD card back into ANAFI and took it for a quick flight to confirm the camera was working.
11) For shits and giggles I took the microSD card into the adapter and inserted into the Mac and the disk drive came up and have no problems now. So long story, format to MS-DOS(FAT) on the Mac, power cycle the drone with no microSD card, than insert the card and it might work.