Some Microsoft Outlook users report that they see the error “The program that created this object is Outlook” when they try to open online attachments or any type of archived item. Most of the users concerned report that the problem is not caused by an antivirus – the problem occurs whether or not a security suite is active. The error is confirmed on Windows 7, Windows 8 and Windows 10. The most common reports are Office 2010, Office 2013 and Office 2017.
When you open an attachment in an email, contact or task formatted as rich text, you receive the following error: