3.1.4.1.2 Reminders on Message Objects Other Than Calendar Objects and Task Objects

To enable the signaling of reminders on Message objects that are not Calendar objects or Task objects, the client sets the PidLidReminderTime property (section 2.2.1.4) and SHOULD<6> set the PidTagReplyTime ([MS-OXOFLAG] section 2.2.3.1) property to the specified signal time.

In summary, the client sets the properties in the following table (or ensures that they are already set<7> for Message objects that are neither Calendar objects nor Task objects).