Hi mpdub12,
To help you with this issue, we would like to collect some information to narrow down the issue:
1. A the screenshot about the “cannot authenticate OneDrive for Business Mac machine.
To upload screenshots, click Use rich Formatting in this thread and select Insert/Edit Media.
2. Does this error happen to other users using the OneDrive for Business app on this Mac?
3. The affected account and the personal site URL of the affected account.
To protect your privacy, I have sent a private message (PM) to you to request the information above. Here are the steps to access it.
a. Go to the your details section on the right side of the community site.
b. Click Private messages.
c. Click the subject title of the response to read the message.
Thanks for your cooperation and we are looking forward to your reply.
Best Regard,
Jerry
