Article ID: 983265 - View products that this article applies to.
Consider the following scenario:
Run-time error '-1040973553 (c1f4010f)
The attempted operation failed. An object could not be found.
This issue occurs because the property PR_RECIPIENT_TYPE is not set when an email message is replied to. Earlier Outlook versions ignore the fact that the property is not set when the property is read. Outlook 2010 does not ignore this property. Therefore, you receive the error message that is mentioned in the "Symptoms" section.
To resolve this issue, you have to access the following DisplayType property of the AddressEntry object:
In this example, the index placeholder refers to a specific AddressEntry or recipient object in the AddressEntries collection.
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