No, there is no version for Mac. EFT Editor is a part of the Web which means it's accessed through a browser. The compatible browser and operating system are: Internet Explorer and Windows. The information from the site:
We're sorry but only Internet Explorer and Windows platform are supported at this time.
If you have questions about your EFT service or the EFT Editor, please contact us:
Corporate Financial Services customers, please call Cash Management Help Desk or your Relationship Manager.
Independent Business and Agriculture, please call ATBOnline Customer Contract Center 1-866-282-4WEB (4932).