param([string[]]$CsvPaths)
$ErrorActionPreference = 'Stop'
$excel = $null
$results = @()
try {
    $excel = New-Object -ComObject Excel.Application
    $excel.Visible = $false
    $excel.DisplayAlerts = $false
    $excel.EnableEvents = $false
    $excel.AskToUpdateLinks = $false
    $excel.AutomationSecurity = 3
    foreach ($csvPath in $CsvPaths) {
        $book = $null
        try {
            $resolved = (Resolve-Path -LiteralPath $csvPath).Path
            $book = $excel.Workbooks.Open($resolved, 0, $true)
            $sheet = $book.Worksheets.Item(1)
            $company = $sheet.Cells.Item(2, 1)
            $title = $sheet.Cells.Item(2, 4)
            $cells = @()
            for ($column = 1; $column -le 17; $column++) {
                $cell = $sheet.Cells.Item(2, $column)
                $cells += [ordered]@{ column = $column; value = $cell.Value2; hasFormula = $cell.HasFormula }
                [void][Runtime.InteropServices.Marshal]::FinalReleaseComObject($cell)
            }
            $results += [ordered]@{ file = [IO.Path]::GetFileName($resolved); excelVersion = $excel.Version; company = $company.Value2; title = $title.Value2; titleHasFormula = $title.HasFormula; cells = $cells }
            [void][Runtime.InteropServices.Marshal]::FinalReleaseComObject($company)
            [void][Runtime.InteropServices.Marshal]::FinalReleaseComObject($title)
            [void][Runtime.InteropServices.Marshal]::FinalReleaseComObject($sheet)
        } finally {
            if ($null -ne $book) { $book.Close($false); [void][Runtime.InteropServices.Marshal]::FinalReleaseComObject($book) }
        }
    }
} finally {
    if ($null -ne $excel) { $excel.Quit(); [void][Runtime.InteropServices.Marshal]::FinalReleaseComObject($excel) }
}
$results | ConvertTo-Json -Depth 6