try {
 
    $TeamsApp = Get-AppxPackage "*Teams*" -AllUsers  -ErrorAction SilentlyContinue
    if ($TeamsApp.Name -eq "MicrosoftTeams")
        {
            Write-Host "Built-in Teams Chat App Detected"
            Exit 1
        }
    ELSE
        {
            Write-Host "Built-in Teams Chat App Not Detected"
            Exit  0
               }
}
catch {
    $errMsg = $_.Exception.Message
    return $errMsg
    Exit 1
}

try
{
$detecta = Get-AppxPackage | select * | where-object {$_ -like "*MicrosoftTeams*"}
if ($detecta) {
"removing $($detecta.Name)"
 Remove-AppxPackage -AllUsers -Package $detecta.PackageFullName
 echo "removed" | out-file removed.txt
exit 0
} else {
    "do nothing"
    exit 0
    }
 }
catch{
    $errMsg = $_.Exception.Message
    Write-Error $errMsg
    exit 1
}