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Description Search.Product title ms.assetid author ms.author keywords ms.prod ms.technology ms.topic ms.date
The package block map file is an XML document that contains a list of the app’s files along with indexes and cryptographic hashes for each block of data that is stored in the package.
eADQiWindows 10XVcnh
App package block map
8be602d7-b7f7-4797-899a-c0a7852725d2
laurenhughes
lahugh
windows 10, uwp, schema, package manifest
windows
winrt-reference
reference
04/05/2017

App package block map

Purpose

The package block map file is an XML document that contains a list of the app’s files along with indexes and cryptographic hashes for each block of data that is stored in the package.

Developer audience

Visual Studio and the MakeAppx packaging utility automatically create and insert a package block map (AppxBlockMap.xml) when they build each app ZIP package.

Use the block map file to:

  • Understand the structure and content of a block map file that is required for tools that you want to create to produce app packages
  • Check and re-validate the app content after the app deploys

In this section

Related topics

Packaging apps