PHP-Code:
$microsoftTimestamp = '132090048000000000';
$timeBetween1601And1970 = '116444736000000000';
$unixTimestamp = (int) bcdiv(bcsub($microsoftTimestamp, $timeBetween1601And1970), '10000000');
$date = DateTime::createFromFormat('U', $unixTimestamp);
echo $date->format('d.m.Y'); // 31.07.2019
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