Unassigned

A hash value that indicates the acquisition session.

The name of the application that created this file or item. Do not use version numbers to identify the application's specific version.

Represents the author or authors of the document.

The amount of total storage space, expressed in bytes. This property is mainly used to indicate the capacity of storage media such as hard drives.

Deprecated. The category that can be assigned to an item such as a document or file. This property is inherited from OLE document properties and is deprecated for Windows Vista. Keywords should be used instead. Older code treats this property as VT_LPSTR.

The comment attached to a file, typically added by a user.

The company or publisher.

The name of the computer where the item or file is located. This property is automatically populated by Microsoft Windows and should not be used for anything other than its intended purpose.

A list of the type of content in the item. This value is represented as a vector array of GUIDs, where each GUID represents a certain type, such as URLs or attachments.

Represents the author or authors of the document.

Indicates the last time the item was accessed. The Indexing Service friendly name is "access".

The date the file item was last archived.

The date and time the item was created on the file system where it is currently located. This property is automatically promoted by the file system. The Indexing Service friendly name is "create".

The date and time the file was imported into a private application database. For example, this property can be used when a photo is imported into a photo database. This property is not the same as

The date and time of the last modification to the item. The Indexing Service friendly name is 'write'.

The attributes of the item. These are equivalent to the values recognized in the

Represents the author or authors of the document.

The file extension of the file-based item, including the leading period.

The unique file ID, also known as the File Reference Number. For a given file, this is the same value as the

The file name, including its extension.

The owner of the file, as known by the file system.

Contains the

The user-friendly form of

The status of a flag. Values: (0=none 1=white 2=Red).

Represents the author or authors of the document.

The amount of free space in a volume, in bytes.

The user-friendly form of

Identifies whether the item is an attachment.

Identifies whether the message was completely received. This value is used with some error conditions.

Identifies whether the item has been read.

Indicates whether an item is a valid SendTo target. This information is provided by certain Shell folders.

Indicates whether the item is shared.

Generic list of authors associated with an item. For example, the artist name for a music track is the item author.

The primary date of interest for an item. In the case of photos, for example, this property maps to

The user-friendly display name of an item's parent folder.

The user-friendly display path of an item's parent folder.

The base name of the

The display name in "most complete" form. It is the unique representation of the item name most appropriate for end users.

The prefix of an item, used for e-mail messages where the subject begins with the prefix "Re:".

The generic list of people associated with and contributing to an item. For example, this is the combination of people in the To list, Cc list, and the sender of an e-mail message.

The user-friendly display path to the item.

The user-friendly display path to the item.

The canonical type of the item.

The user-friendly type name of the item. This value is not intended to be programmatically parsed.

Represents a well-formed URL that points to the item.

The set of keywords (also known as "tags") assigned to the item.

Maps extensions to various .Search folders.

The user-friendly form of

The primary language of the file, particularly if that file is a document.

The MIME type.

The parental rating stored in a format typically determined by the organization named in

Explains file ratings. For example, "Violence, Foul Language" for a rating of R under the MPAA rating system.

The name of the organization whose rating system is used for

Used to get the

The Shell namespace name of an item relative to a parent folder.

The Shell namespace path to the item.

The perceived file type based on its canonical type.

The amount of space filled, as a percentage.

The user-friendly form of

A rating system that uses integer values between 0 and 99. This is the rating system used by the Windows Vista Shell.

The user-friendly form of

The user-friendly form of

Indicates who the item is shared with.

Omits an item from Shell views.

A rating system that uses a range of integer values between 0 and 5.

The system-provided file system size of the item, in bytes.

Generic status information applicable to the item.

The subject of a document. This property maps to the OLE document property

Represents the thumbnail in VT_CF format.

A unique value used as a key to cache thumbnails. The value changes when the name, volume, or data modified of an item changes.

Data that represents the thumbnail in VT_STREAM format, supported by Microsoft Windows GDI+ and Windows codecs such as .jpg and .png.

Specifies how to configure the Microsoft Windows search engine with respect to a given property definition. If no

The trademark associated with the item, in a string format.

Indicates the channel count for the audio file. Values: 1 (mono), 2 (stereo).

Indicates the average data rate for the audio file in bits per second.

Indicates the format of the audio file.

Indicates the sample rate for the audio file in samples per second.

Indicates the sample size for the audio file in bits per sample.

Indicates the date and time that a document was created. This information is stored in the document, not obtained from the file system.

Indicates the date and time the document was last printed. The legacy name is "DocLastPrinted".

Indicates the date and time the document was last saved. The legacy name is "DocLastSavedTm".

Access control information, from SummaryInfo propset

This property represents the total time between each open and save, accumulated since the creation of the document. This is measured in 100ns units, not milliseconds. VT_FILETIME for IPropertySetStorage handlers (legacy)

Indicates how many bits are used in each pixel of the image. (Usually 8, 16, 24, or 32).

The colorspace embedded in the image. Taken from the Exchangeable Image File (EXIF) information.

Indicates the image compression level. . Calculated from PKEY_Image_CompressedBitsPerPixelNumerator and PKEY_Image_CompressedBitsPerPixelDenominator.

The denominator of PKEY_Image_CompressedBitsPerPixel.

The numerator of PKEY_Image_CompressedBitsPerPixel.

The algorithm used to compress the image.

The user-friendly form of System.Image.Compression. Not intended to be parsed programmatically.

The image dimensions in string format as

Indicates the number of pixels per resolution unit in the image width.

The horizontal size of the image, in pixels.

Indicates the resolution units. Used for images with a non-square aspect ratio, but without meaningful absolute dimensions. 1 = No absolute unit of measurement. 2 = Inches. 3 = Centimeters. The default value is 2 (Inches).

Indicates the number of pixels per resolution unit in the image height.

The vertical size of the image, in pixels.

Represents the date and time the file was encoded. The DateTime is in UTC (in the doc, not file system).

Represents the actual play time of a media file and is measured in 100ns units, not milliseconds.

Indicates the frame count for the image.

Describes the type of media protection.

The rating (0 - 99) supplied by metadata provider.

Represents the actual play time of a media file and is measured in 100ns units, not milliseconds.

If true, do not alter this file's metadata. Set by user.

The aperture value of the image, in APEX units. See the Exchangeable Image File (EXIF) 2.2 specification, Annex C, for a comparison of

The denominator of

The date when the photo was taken, as read from the camera in the file's Exchangeable Image File (EXIF) tag.

The brightness value of the image, in APEX units, usually in the range of -99.99 to 99.99.

The brightness value of the image, in APEX units, usually in the range of -99.99 to 99.99.

The numerator of PKEY_Photo_Brightness.

The manufacturer name of the camera that took the photo, in a string format.

The model name of the camera that shot the photo, in string form.

The serial number of the camera that produced the photo.

Indicates the direction of contrast processing applied by the camera when the image was taken. "0" indicates "Normal"; "1" indicates "Soft"; "2" indicates "Hard".

The user-friendly form of System.Photo.Contrast. It is not intended to be parsed programmatically.

The date when the photo was taken, as read from the camera in the file's Exchangeable Image File (EXIF) tag.

The digital zoom ratio when the image was shot. Read from the camera in the file's Exchangeable Image File (EXIF) information. This property is calculated from

The denominator of PKEY_Photo_DigitalZoom.

The numerator of PKEY_Photo_DigitalZoom.

The event where the photo was taken. The end-user provides this value.

The Exchangeable Image File (EXIF) version.

The amount of exposure bias used in the photo, as read from the camera. This property is calculated from

The denominator of PKEY_Photo_ExposureBias.

The numerator of PKEY_Photo_ExposureBias.

Indicates the exposure index selected on the camera or input device at the time the photo was taken. Calculated from PKEY_Photo_ExposureIndexNumerator and PKEY_Photo_ExposureIndexDenominator.

the denominator of PKEY_Photo_ExposureIndex.

The numerator of PKEY_Photo_ExposureIndex.

The Exposure Program mode of the camera at the time the photo was taken, as read from the Exchangeable Image File (EXIF) information.

The user-friendly form of System.Photo.ExposureProgram. Not intended to be parsed programmatically.

The exposure time for the photo, in seconds, as read from the Exchangeable Image File (EXIF) information. This property is calculated from

The denominator of PKEY_Photo_ExposureTime.

The numerator of PKEY_Photo_ExposureTime.

An indicator of the flash status when the photo was taken, as read from the Exchangeable Image File (EXIF) info.

Indicates the strobe energy at the time the image was captured, measured in Beam Candle Power Seconds. Calculated from PKEY_Photo_FlashEnergyNumerator and PKEY_Photo_FlashEnergyDenominator.

The denominator of PKEY_Photo_FlashEnergy.

The numerator of PKEY_Photo_FlashEnergy.

A string indicating the manufacturer of the flash used to take the picture. Can be blank or not present.

The amount of exposure bias used in the photo, as read from the camera. This property is calculated from

The user-friendly form of

The FNumber value when the photo was taken, as read from the Exchangeable Image File (EXIF) information.This property is calculated from

The denominator of PKEY_Photo_FNumber.

The numerator of PKEY_Photo_FNumber.

The focal length of the lens as recorded by the camera when the photo was taken, measured in millimeters. This is the actual focal length without conversion to 35mm (

The denominator of PKEY_Photo_FocalLength.

The focal length of the lens when the photo was taken, as converted to a 35mm film measurement.

The numerator of PKEY_Photo_FocalLength.

Indicates the number of pixels in the image width (X direction) per FocalPlaneResolutionUnit on the camera focal plane. Calculated from PKEY_Photo_FocalPlaneXResolutionNumerator and PKEY_Photo_FocalPlaneXResolutionDenominator.

The denominator of PKEY_Photo_FocalPlaneXResolution.

The numerator of PKEY_Photo_FocalPlaneXResolution.

Indicates the number of pixels in the image height (Y direction) per FocalPlaneResolutionUnit on the camera focal plane. Calculated from PKEY_Photo_FocalPlaneYResolutionNumerator and PKEY_Photo_FocalPlaneYResolutionDenominator.

The denominator of PKEY_Photo_FocalPlaneYResolution.

The numerator of PKEY_Photo_FocalPlaneYResolution.

Indicates the degree of overall image gain adjustment. Calculated from PKEY_Photo_GainControlNumerator and PKEY_Photo_GainControlDenominator.

The denominator of PKEY_Photo_GainControl.

The numerator of PKEY_Photo_GainControl.

The user-friendly form of

The International Standards Organization (ISO) speed as recorded by the camera when the photo was taken.

String indicating the manufacturer of the lens used to take the picture. Can be blank or not present.

A string indicating the model of the lens used to take the picture. Can be blank or not present.

The light source when the photo was taken, as read from the Exchangeable Image File (EXIF) information.

The Exchangeable Image File (EXIF) extensibility mechanism that allows camera manufacturers to provide custom information. This property is not intended to be displayed in the Shell, but it is available programmatically to applications.

The offset for the maker note specified in

The maximum aperture of the lens as recorded by the camera, taken from the Exchangeable Image File (EXIF) information. This property is calculated from

The denominator of PKEY_Photo_MaxAperture.

The numerator of PKEY_Photo_MaxAperture.

The metering mode used by the camera, taken from the Exchangeable Image File (EXIF) information.

The user-friendly form of

The orientation of the photo when it was taken, as specified in the Exchangeable Image File (EXIF) information and in terms of rows and columns. This allows applications and the Shell to properly orient the image, instead of orienting the pixels and persisting the image in the requested display orientation, which can result in a loss of fidelity. This property is not meant to be displayed in the user interface (UI).

The user-friendly form of

The pixel composition. In JPEG compressed data, a JPEG marker is used instead of this property.

The user-friendly form of

The class of the program used by the camera to set exposure.

The user-friendly form of

The file name of a sound annotation file associated with the photo.

Indicates the direction of saturation processing applied by the camera when the photo was taken.

The user-friendly form of

Indicates the direction of sharpness processing applied by the camera when the photo was taken.

The user-friendly form of

The shutter speed of the camera when the photo was taken. This is given in APEX units. This property is calculated from

The denominator of PKEY_Photo_ShutterSpeed.

The numerator of PKEY_Photo_ShutterSpeed.

The distance to the subject in meters. Calculated from PKEY_Photo_SubjectDistanceNumerator and PKEY_Photo_SubjectDistanceDenominator.

The denominator of PKEY_Photo_SubjectDistance.

The numerator of PKEY_Photo_SubjectDistance.

A VT_BOOL that indicates whether the image has been transcoded for synchronizing with an external device.

The white balance mode at the time the photo was shot, as taken from the Exchangeable Image File (EXIF) information.

The white balance mode at the time the photo was shot, as taken from the Exchangeable Image File (EXIF) information.

An automated search system summary of the full text contents of a document, displayed in the search results view in

Relevance rank of row, with a range from 0-1000. Larger numbers mean better matches. Query-time only; not defined in Search schema. This property is retrievable but not searchable.

Indicates the level of compression for the video stream. "Compression".

Indicates the person who directed the video.

Indicates the data rate in "bits per second" for the video stream. "DataRate".

Indicates the 4CC for the video stream.

Indicates the frame height for the video stream.

Indicates the frame rate in "frames per millisecond" for the video stream. "FrameRate".

Indicates the frame width for the video stream.

Indicates the horizontal portion of the aspect ratio. The X portion of XX:YY. For example, 16 is the X portion of 16:9.

Indicates the sample size in bits for the video stream. "SampleSize".

Indicates the name for the video stream. "StreamName".

Indicates the ordinal number of the stream being played.

Indicates the total data rate in "bits per second" for all video and audio streams.

Indicates the vertical portion of the aspect ratio. The Y portion of XX:YY. For example, nine is the Y portion of 16:9.