Il est possible de télécharger les fichiers nécessaires via Online link generator for Microsoft Store.

Dans cet exemple, j'ai fait un package pour installer Microsoft Company Portal

Voici un schéma de l'arborescence du dossier avec un sous dossier Dependencies

\—Dependencies

      Microsoft.NET.Native.Framework.2.2_2.2.27912.0_x64__8wekyb3d8bbwe.appx
      Microsoft.NET.Native.Runtime.2.2_2.2.28604.0_x64__8wekyb3d8bbwe.appx
      Microsoft.Services.Store.Engagement_10.0.19011.0_x64__8wekyb3d8bbwe.appx
      Microsoft.UI.Xaml.2.3_2.32002.13001.0_x64__8wekyb3d8bbwe.appx
      Microsoft.VCLibs.140.00_14.0.27810.0_x64__8wekyb3d8bbwe.appx

Voici mes fichiers script PowerShell, le premier pour installer et le second pour désinstaller.

# Install Microsoft.WhiteBoard Appx
# Information : 
#              Name              : Microsoft.Whiteboard
#              Publisher         : CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
#              Architecture      : X64
#              ResourceId        :
#              Version           : 20.10420.5102.0
#              PackageFullName   : Microsoft.Whiteboard_20.10420.5102.0_x64__8wekyb3d8bbwe
#              InstallLocation   : C:\Program Files\WindowsApps\Microsoft.Whiteboard_20.10420.5102.0_x64__8wekyb3d8bbwe
#              IsFramework       : False
#              PackageFamilyName : Microsoft.Whiteboard_8wekyb3d8bbwe
#              PublisherId       : 8wekyb3d8bbwe
#              IsResourcePackage : False
#              IsBundle          : False
#              IsDevelopmentMode : False
#              NonRemovable      : False
#              Dependencies      : {Microsoft.VCLibs.140.00_14.0.27810.0_x64__8wekyb3d8bbwe,
#                                  Microsoft.NET.Native.Framework.2.2_2.2.27912.0_x64__8wekyb3d8bbwe,
#                                  Microsoft.NET.Native.Runtime.2.2_2.2.28604.0_x64__8wekyb3d8bbwe}
#              IsPartiallyStaged : False
#              SignatureKind     : Store
#              Status            : Ok


#=============== Variable for use Root folder of PS1 ====================
If ($psISE)
{
    $currentScriptDirectory = Split-Path -Parent -Path $psISE.CurrentFile.FullPath
}
If (!$currentScriptDirectory)
{
    If ($MyInvocation.MyCommand.CommandType -eq "ExternalScript")
    {
        $currentScriptDirectory = Split-Path -Parent -Path $MyInvocation.MyCommand.Definition
    }
    Else
    {
        $currentScriptDirectory = Split-Path -Parent -Path ([Environment]::GetCommandLineArgs()[0])
    }
}

# Function Write-Log

Function Write-Log {
    [CmdletBinding()]
    Param(
    [Parameter(Mandatory=$False)]
    [ValidateSet("INFO","WARN","ERROR","FATAL","DEBUG")]
    [String]
    $Level = "INFO",

    [Parameter(Mandatory=$True)]
    [string]
    $Message,

    [Parameter(Mandatory=$False)]
    [string]
    $logfile
    )

    $Stamp = (Get-Date).toString("yyyy/MM/dd HH:mm:ss")
    $Line = "$Stamp $Level $Message"
    If($logfile) {
        Add-Content $logfile -Value $Line
    }
    Else {
        Write-Output $Line
    }
}

#========================================================================
# Log Path
$Manufacturer = 'Microsoft'
$ManufacturerApplicationName = 'Whiteboard'
$Version = '20.10420.5102.0'
$logpath = 'C:\Windows\Packages\Logs\' + $Manufacturer + '_' + $ManufacturerApplicationName + '_' + $Version + '_INSTALL.log'

If ((Test-path -Path 'C:\Windows\Packages\Logs\') -eq $false){
New-item -Path 'C:\Windows\Packages\Logs\' -ItemType Directory -ErrorAction SilentlyContinue | Out-Null
}
Write-Log -Level INFO -Message "Install $Manufacturer $ManufacturerApplicationName $Version" -logfile $logpath

Write-Log -Level INFO -Message 'Install Appx for All Users' -logfile $logpath

# Install
Try{
    $DependenciesPath = Join-Path -Path $currentScriptDirectory -ChildPath Dependencies -Resolve
    Add-AppxProvisionedPackage -Online -PackagePath $(Join-Path -Path $currentScriptDirectory -ChildPath "Microsoft.Whiteboard_20.10420.5102.0_x64__8wekyb3d8bbwe.appx") -SkipLicense -LogPath $(Join-Path -Path $currentScriptDirectory -ChildPath "Temp.log")  -DependencyPackagePath $(Join-Path -Path $DependenciesPath -ChildPath Microsoft.NET.Native.Framework.2.2_2.2.27912.0_x64__8wekyb3d8bbwe.Appx),$(Join-Path -Path $DependenciesPath -ChildPath Microsoft.NET.Native.Runtime.2.2_2.2.28604.0_x64__8wekyb3d8bbwe.Appx),$(Join-Path -Path $DependenciesPath -ChildPath Microsoft.VCLibs.140.00_14.0.27810.0_x64__8wekyb3d8bbwe.Appx) | Out-Null
    Get-Content $(Join-Path -Path $currentScriptDirectory -ChildPath "Temp.log") | ForEach-Object {Add-Content $logpath -Value $_}
    Remove-Item -Path $(Join-Path -Path $currentScriptDirectory -ChildPath "Temp.log") -Force
    Write-Log -Level INFO -Message "Appx is Provisioned" -logfile $logpath
    }
Catch
    {
    $ErrorMessage = $_.Exception.Message
    Write-Log -Level ERROR -Message $ErrorMessage -logfile $logpath
    }

Désinstallation d'un APPX

# Uninstall Microsoft.WhiteBoard Appx
#=============== Variable for use Root folder of PS1 ====================
If ($psISE)
{
    $currentScriptDirectory = Split-Path -Parent -Path $psISE.CurrentFile.FullPath
}
If (!$currentScriptDirectory)
{
    If ($MyInvocation.MyCommand.CommandType -eq "ExternalScript")
    {
        $currentScriptDirectory = Split-Path -Parent -Path $MyInvocation.MyCommand.Definition
    }
    Else
    {
        $currentScriptDirectory = Split-Path -Parent -Path ([Environment]::GetCommandLineArgs()[0])
    }
}

# Function Write-Log

Function Write-Log {
    [CmdletBinding()]
    Param(
    [Parameter(Mandatory=$False)]
    [ValidateSet("INFO","WARN","ERROR","FATAL","DEBUG")]
    [String]
    $Level = "INFO",

    [Parameter(Mandatory=$True)]
    [string]
    $Message,

    [Parameter(Mandatory=$False)]
    [string]
    $logfile
    )

    $Stamp = (Get-Date).toString("yyyy/MM/dd HH:mm:ss")
    $Line = "$Stamp $Level $Message"
    If($logfile) {
        Add-Content $logfile -Value $Line
    }
    Else {
        Write-Output $Line
    }
}

# Log Path
$Manufacturer = 'Microsoft'
$ManufacturerApplicationName = 'Whiteboard'
$Version = '20.10420.5102.0'
$logpath = 'C:\Windows\Packages\Logs\' + $Manufacturer + '_' + $ManufacturerApplicationName + '_' + $Version + '_UNINSTALL.log'

If ((Test-path -Path 'C:\Windows\Packages\Logs\') -eq $false){
New-item -Path 'C:\Windows\Packages\Logs\' -ItemType Directory -ErrorAction SilentlyContinue | Out-Null
}
Write-Log -Level INFO -Message "Uninstall $Manufacturer $ManufacturerApplicationName $Version" -logfile $logpath
Get-AppxProvisionedPackage -Online | Where-Object Displayname -ceq "Microsoft.Whiteboard" | Remove-AppxProvisionedPackage -Online -LogPath $(Join-Path -Path $currentScriptDirectory -ChildPath "Temp.log") | Out-Null
Get-Content $(Join-Path -Path $currentScriptDirectory -ChildPath "Temp.log") | ForEach-Object {Add-Content $logpath -Value $_}
Remove-Item -Path $(Join-Path -Path $currentScriptDirectory -ChildPath "Temp.log") -Force

Write-Log -Level INFO -Message "Remove Microsoft.Whiteboard already install on all users" -logfile $logpath
Get-AppxPackage -AllUsers | Where-Object Name -ceq "Microsoft.Whiteboard" | Remove-AppxPackage -AllUsers