PidLidTaskStartDate Canonical Property

Applies to: Outlook 2013 | Outlook 2016

The date when the user expects to begin the task.

Associated properties:
Property set:
Long ID (LID):
Data type:


If this property value is left unset, the task does not have a start date. A value of "0x5AE980E0" (1,525,252,320) also means that the task does not have a start date. If the task has a start date, the value must have a time component of midnight, and the dispidTaskDueDate (PidLidTaskDueDate) and dispidCommonStart (PidLidCommonStart) properties must also be set.

This property is shared by the Informational Flagging Protocol Specification and Task-Related Object Protocol Specification located in [MS-OXOTASK].

Protocol specifications


Provides property set definitions and references to related Exchange Server protocol specifications.


Specifies the properties and operations that are permissible on contacts and personal distribution lists.

Header files


Provides data type definitions.

See also

PidLidTaskDueDate Canonical Property

PidLidCommonStart Canonical Property

MAPI Properties

MAPI Canonical Properties

Mapping Canonical Property Names to MAPI Names

Mapping MAPI Names to Canonical Property Names