password protect existing pdf without acrobat

When you set a Permissions password, anyone who wants to change the restrictions must type the Permissions password.

When you set a Document Open password, anyone who tries to open the PDF must type in the password that you specified. There are two kinds of passwords that could be applied to a PDF file: a Document Open password and a Permissions password. Save and close the document to finalize your restrictions.You can add a password to a PDF to limit access and restrict certain features, such as printing, copying and editing. Select the OK button to close the Document Properties dialog box.ġ3. Select the OK button in the alert box explaining that you must save the document to complete the changes.ġ2. Re-enter your password in the Confirm Permissions Password dialog box and then select the OK button.ġ1. Select the OK button if you accept the warning.ġ0.

Read the alert box about third-party security. Enter a password in the Change Permissions Password text box and then select the OK button.ĩ. Note that “Commenting, filling in form fields, and signing existing signature fields” prevents other users from using the editing tools without password access however, they will be able to use all the comment and mark-up tools.Ĩ. Commenting, filling in form fields, and signing existing signature fields.Filling in form fields and signing existing signature fields.Inserting, deleting, and rotating pages.Choose the changes (edits) you want to allow: Select High Resolution if you want other Acrobat users to maintain full printing abilities.ħ. Choose the printing option you want to allow: None, Low Resolution (150 dpi), or High Resolution. Check “ Restrict editing and printing of the document” in the Password Security dialog box.Ħ. Select Password Security in the Security Method drop-down menu.ĥ. Select the Security tab in the Document Properties dialog box.Ĥ. Select Properties in the drop-down menu.ģ.

Password protect existing pdf without acrobat