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PidLidCategories Canonical Property

Applies to: Outlook 2013 | Outlook 2016

Specifies a list of categories for an item. To generate a keywords header field, clients must set the value of this property to the desired values.

Property Value
Associated properties:
dispidCategories
Property set:
PS_PUBLIC_STRINGS
Long ID (LID):
0x00002328
Data type:
PT_MV_UNICODE
Area:
Common

Remarks

To generate a keywords header field, clients must set the value of this property to the desired values. This property has multiple strings; each category should be mapped to a single keyword.

Multipurpose Internet Mail Extensions (MIME) writers should copy each sub-value of this property to a separate keyword in the Keywords header field, with a comma (U+002C) and space (U+0020) separating each keyword. MIME writers may drop this property instead of copying it to the keywords header field, in order to avoid conflict among different sets of categories in different organizations.

Protocol specifications

[MS-OXPROPS]

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

[MS-OXCMAIL]

Converts from Internet standard email conventions to message objects.

Header files

Mapidefs.h

Provides data type definitions.

See also

MAPI Properties

MAPI Canonical Properties

Mapping Canonical Property Names to MAPI Names

Mapping MAPI Names to Canonical Property Names