update common organizational attributes in active directory using this powershell script

Set-ADOrgInfo.ps1

[CmdletBinding()]
param (
    [Parameter(Mandatory = $true)][ValidateSet('Title', 'Department', 'Company')]
        [string]$AttributeName = (Read-host -Prompt "Which attribute? [Title, Department, Company]"),
    [Parameter(Mandatory = $true)][string]$AttributeValueOld = (Read-Host -Prompt "Old value"),
    [Parameter(Mandatory = $true)][string]$AttributeValueNew = (Read-Host -Prompt "New value"),
    [switch]$NoConfirm
)

begin {}

process {
    [array]$Users = Get-ADUser -Filter {$AttributeName -eq $AttributeValueOld}

    if (-not $NoConfirm) {
        Write-Host "'$AttributeName' attribute will be updated",
        "`n'$AttributeValueOld' becomes '$AttributeValueNew'",
        "`n$( $Users.Count ) users will be affected"

        if ((Read-Host -Prompt "Continue? [Y/N]") -ne 'y') { return }
    }

    foreach ($User in $Users) {
        switch ($AttributeName) {
            'Title' { Set-ADUser -Identity $User -Title $AttributeValueNew }
            'Department' { Set-ADUser -Identity $User -Department $AttributeValueNew }
            'Company' { Set-ADUser -Identity $User -Company $AttributeValueNew }
        }
        Write-Verbose "Updated $( $User.Name )($( $User.sAMAccountName ))"
    }
}

end {}

Set-ADOrgInfoManager.ps1

[CmdletBinding()]
param (
    [string]$ManagerUsernameOld = (Read-host -Prompt "Old manager username"),
    [string]$ManagerUsernameNew = (Read-Host -Prompt "New manager username")
)

begin {}

process {
    try {
        $ManagerOld = Get-ADUser -Identity $ManagerUsernameOld
        $ManagerNew = Get-ADUser -Identity $ManagerUsernameNew
    }
    catch {
        Write-Error "Failed to find accounts for the specified users." -ForegroundColor Red
        return
    }

    $Users = Get-ADUser -Filter {Manager -eq $ManagerOld.DistinguishedName}
    Write-Debug "Replacing '$($ManagerOld.Name)' with '$($ManagerNew.Name)'. This will affect $($Users.Count) users."
    foreach ($User in $Users) {
        Set-ADUser -Identity $User -Manager $ManagerNew.DistinguishedName
        Write-Verbose "Updated $($User.Name)($($User.sAMAccountName))"
    }
}

end {}