That may sound like a bit of work, but it’s a quick process, and certainly beats sharing a primary password with other users if you happened to have set one that wouldn’t be appropriate to share.Home › Software › Business › Document Management › PDF password remover software In a similar manner, you can use this trick to change a password on a protected PDF file too, simply by saving the file without a password, then re-saving it yet again with a new password.

If for some reason this trick works (and there is no reason it shouldn’t), you can try to re- save a PDF with a keystroke which is basically sends the PDF creation process through the print function rather than Save As function of OS X.

Re-saving a protected PDF without the encrypted password will completely remove the password from the new document, allowing it to be sent and viewed as normal without password entry. If you save over the existing file it will remove the document, otherwise saving as a new file name will create a new secondary PDF file without the password protection

Save the file as a PDF without selecting encryption, just leave it unchecked.

Choose the “File” menu and select “Save As”.

Open the encrypted PDF file into Preview and enter the password as usual to gain access to the document – you must first unlock the document to be able to remove the password from the PDF file, the file is encrypted and it is not possible to do so without (at least for most users).Removing PDF Passwords from PDF Files in Mac OS X with Preview

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