Components of an App-V Package

AdminStudio 2025 | 29.0 | Microsoft App-V Assistant

The files that comprise an App-V package depend on the version of the App-V package.

Components of an App-V 5.x Package (.appv)

The following table describes the main components of an App-V 5.x package (.appv):

File	Description
.appv	The .appv file is the compressed package file that contains all of the other parts of the package.
[Content_Types].xml	This file contains a list of file extensions that the package supports and the type of content to which each extension type maps.
AppxBlockMap.xml	This file contains a list of files with details such as header size and file size.
AppxManifest.xml	This file contains metadata about the package.
FilesystemMetadata.xml	This file contains information such as short file names, the directory-file hierarchy, and the mapping between the root folder and INSTALLDIR.
Registry.dat	This file contains registry data for the package.
StreamMap.xml	This file contains feature block 1 information.

The following table describes the main components of an App-V 4.x package (.sft):

File	Description
.sft	The .sft file contains all of the files, registry information, and other configuration details of the package.
Manifest file	This file is an XML file that lists all of the .osd files in an App-V package.
.osd	The .osd files are XML-based files that describe the package’s individual targets (or applications) that can be run.
.ico	The .ico files are icons files that are used for published shortcuts and file type associations.
.sprj	This file is the Microsoft App-V Sequencer project file. It contains references to the .sft and .osd files, and to a large number of settings related to the sequencing process.