PDF files which are secured by document open password require users to enter the password every time they open the file which might be frustrating and inconvenient for some users. There is no need to worry, just follow the methods listed below to remove unknown open password and permissions password from PDF file.Ĭase1: Remove Unknown Document Open Password from PDF If you don't remember the password you used while securing your document and now you are unable to open your PDF file or your file does not allow you to copy,edit or print its content.
