This article explains how to add password to PDF and how to password protect a PDF document without using Adobe.
Check here : If you want to add password using Adobe
A pdf file can be password-protected using Ms-Word and other tools. If you want to add a password to your pdf files then you can add using Ms- word. For the process please follow the following steps:
- First Step open that pdf files which you want to add password
- Then click file menu and choose Save as option
Note: I have save the file as example.pdf and pick PDF from the save as type dropdown as shown in figure .
Press the Option button as shown in figure above then the following dialogue box will appear.
Enable ” Encrypt the document with password ” Option then click OK.
Enter the password and re-enter the password and click OK
Finally Click Save Option Now your files in completely password protected.