Add new folder in Outlook

Hi sakaatooh, We appreciate you reaching out to us. We understand that you are unable to add a new folder in Outlook. We found the article below from Microsoft's support page.

Create a folder in Outlook

If you need further assistance, we recommend that you team up with Microsoft.

Microsoft's support team is in a better position to provide you assistance with Outlook-related issues.

Take care!

Now let's provide information relative to the Mac version instead of Windows.

When you right click on the Inbox heading, are you saying that particular New Folder choice is grayed out?