When I open the link page opens a dialog box which tells the document is locked for editing. Click read-only,notify or cancel.
Why this problem occurs and how to avoid it
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: public");
// header("Content-Description: File Transfer");
header("Content-Type: application/msword");
header($header);
echo "<html>";
echo "<head>";
//Some code
flush();
@readfile($file);