Then I copied it to my local drive to edit it. I did the long method of saving the file as "Save as" then edit it. I wanted to know if there is a shorter method of unprotecting the file. I don't know when the file worked correctly. It is a standard drawing and it is not meant to be edited that's why (i think) the creator write-protected it. If there is a Owner Password placed in PDF file, then viewer can only read it but can't change anything. Method 1: Open A Password Protected PDF using Google Drive . There are many ways or software could remove or open a password protected PDF document, here we will choose Google Drive to remove Owner password. With this method, you need to
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