FileTypeAssociation (package schema for Windows 8)

Article
09/20/2021

Declares an app extensibility point of type windows.fileTypeAssociation. A file type association indicates that the app is registered to handle files of the specified types.

Element hierarchy

<Extension>: <FileTypeAssociation>

Syntax

<FileTypeAssociation Name = A string between 1 and 100 characters in length. >

  <!-- Child elements -->
  ( DisplayName?
  & Logo?
  & InfoTip?
  & EditFlags?
  & SupportedFileTypes
  )

</FileTypeAssociation>

Key

? optional (zero or one)

& interleave connector (may occur in any order)

Attributes and Elements

Attributes

Attribute	Description	Data type	Required	Default value
Name	The name of the file type association. You can use this name to organize and group file types. The name must be all lower case characters with no spaces.	A string between 1 and 100 characters in length.	Yes

Child Elements

Child Element	Description
DisplayName	A friendly name that can be displayed to users.
EditFlags	Specifies the type of info the user sees when opening a file associated to the extensibility point.
InfoTip	Defines a string that provides additional info to the user about the file type.
Logo	A path to a file that contains an image.
SupportedFileTypes (type: CT_FTASupportedFileTypes)	Defines the file types associated with the app. They are unique per package and are case sensitive.

Parent Elements

Parent Element	Description
Extension (in type: CT_ApplicationExtensions)	Declares an extensibility point for the app.

Examples

The following example is taken from the package manifest of one of the SDK samples.

<Application Id="App" StartPage="default.html">
    <Extensions>
      <Extension Category="windows.fileTypeAssociation">
        <FileTypeAssociation Name="alsdkjs">
          <SupportedFileTypes>
            <FileType>.alsdkjs</FileType>
          </SupportedFileTypes>
        </FileTypeAssociation>
      </Extension>
    </Extensions>
</Application>

Requirements

	Value
Namespace	`http://schemas.microsoft.com/appx/2010/manifest`

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