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PidTagAttachEncoding Canonical Property

Applies to: Outlook 2013 | Outlook 2016

Contains an ASN.1 object identifier that specifies the encoding for an attachment.

Property Value
Associated properties:
PR_ATTACH_ENCODING
Identifier:
0x3702
Data type:
PT_BINARY
Area:
Message attachment

Remarks

This property identifies the algorithm used to transform the data in an attachment.

Note The PR_ATTACH_ENCODING and PR_ATTACH_TAG (PidTagAttachTag) properties should not be confused. They are not paired or related. PR_ATTACH_TAG identifies the application that originally generated the attachment. "Object" has a much more general meaning in the term object identifier, and in X.400, than in object-oriented programming.

The object identifier syntax and sample object identifiers are defined in the MAPIOID.H header file. Values for PR_ATTACH_ENCODING are not limited to those defined in MAPIOID.H. For example, attached Macintosh files can use an identifier such as MacBinary.

For complete information on these object identifiers, see the documentation on ASN.1, X.208, and X.209. The object identifier is found in the application-reference element of the FTBP (File Transfer Body Part) environment.

Protocol specifications

[MS-OXCMSG]

Handles message and attachment objects.

Header files

Mapidefs.h

Provides data type definitions.

Mapitags.h

Contains definitions of properties listed as alternate names.

See also

MAPI Properties

MAPI Canonical Properties

Mapping Canonical Property Names to MAPI Names

Mapping MAPI Names to Canonical Property Names