Box Extension not loading in Mac Big Sur

Hi Jack, 

Welcome to the Box Community!

Kindly check out our response and answer on this issue in other thread related to your use case:

• https://support.box.com/hc/en-us/community/posts/360051323454-Box-Drive-s-system-extension-failed-to-load?page=1#community_comment_1500000009302

Thanks again for your patience and understanding and let us know if there's anything else we can help you with!

Best,

I have the same problem on 2 Macs. Support was not at all interested in the computers or their configuration, suggesting to me that this is a very widespread problem without a clear solution. Dropbox continues to work without problems for me.