The problem affects only classic Outlook, meaning the version that comes with Microsoft Office or Microsoft 365, and not the new Outlook that the software giant has been pushing in Windows. The glitch is also specific to Outlook version 2412, Build 18324.20168. Also: How to encrypt any email in Outlook, Gmail, and other popular services To see which version you're running, select the File menu in Outlook and click Office Account. The description next to the About
