2.2.2.4.1 Conversation Index Header

The Conversation Index Header value is derived from the date and time when the message was originally sent by the server.

The Conversation Index Header value is set according to the description in the following diagram.


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Current FILETIME high part

Current FILETIME low part

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Current FILETIME high part (3 bytes):  This field corresponds to the Current FILETIME high part field of the Conversation Index Header structure specified in [MS-OXOMSG] section 2.2.1.3.

Current FILETIME low part (2 bytes):  This field corresponds to the Current FILETIME low part field of the Conversation Index Header structure specified in [MS-OXOMSG] section 2.2.1.3.

The data is stored in big-endian format – the five bytes of the time are written from most significant byte to least significant byte.