StorageItem.Subject Property (Outlook)

Office 2013 and later

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Returns or sets a String indicating the subject for the Outlook item. Read/write.

expression .Subject

expression A variable that represents a StorageItem object.

This property corresponds to the MAPI property, PidTagSubject. The Subject property is the default property for Outlook items.

The Subject serves as a unique identifier for StorageItem objects. You should set the subject in a way to ensure that the objects are unique and would not be overwritten by other solution writers. The recommended practice is to use a ProgID plus other unique text to identify the StorageItem.