PidTagLastModificationTime Canonical Property
Applies to: Outlook 2013 | Outlook 2016
Contains the date and time when the object or subobject was last modified.
This property is initially set to the same value as the PR_CREATION_TIME (PidTagCreationTime) property. Attachment subobjects can update it as necessary by copying the last modification time maintained by the native file system. A client application can set this property until the first call to the IMAPIProp::SaveChanges method. From then on the provider should update PR_LAST_MODIFICATION_TIME during every IMAPIProp::SaveChanges call.
Handles message and attachment objects.
Handles synchronizing messaging object data between a server and a client.
Specifies the properties and operations for lists of users, contacts, groups, and resources.
Provides data type definitions.
Contains definitions of properties listed as alternate names.