to get icons from appx package

get-appxicon.ps1

$results = (
    Get-AppxPackage |
    ForEach{
        $thisAppx = $_
        $thisManifest = $_ | Get-AppxPackageManifest
        $thisSubPath = ''
        $thisLogoBaseName = ''
        $thisLogoRoot = ''
        $thisLogoUNC = ''
        If ($thisManifest.Package.Properties.logo -like '*\*'){
            $thisSubPath = $thisManifest.Package.Properties.logo -replace '(.*\\).*','$1'
            $thisLogoBaseName = $thisManifest.Package.Properties.logo -replace '.*\\' -replace '\..*'
            $thisLogoRoot = Join-Path $thisAppx.InstallLocation $thisSubPath
            # need logic to search for multiple files
            $thisLogoUNC = Join-Path $thisLogoRoot ($thisLogoBaseName + '.scale-100' + '.PNG')
        }

        [pscustomobject]@{
            Name = $thisManifest.Package.Applications.Application.Id
            AppxName = $thisAppx.Name
            RootDirectory = $thisAppx.InstallLocation
            DisplayName = $thisManifest.Package.Applications.Application.VisualElements.DisplayName
            LogoRoot = $thisLogoRoot
            LogoUNC = $thisLogoUNC
            LogoBaseName = $thisLogoBaseName
        }
        Remove-Item variable:\thisAppxName
        Remove-Item Variable:\thisManifest
        Remove-Item Variable:\thisLogoRoot
        Remove-Item Variable:\thisSubPath
        Remove-Item Variable:\thisLogoBaseName
        Remove-Item Variable:\thisLogoUNC
    }
)

$results