To change a password to open a document, follow the steps below:
1.Open the document for which you want to change the password.
2.Click
and run the Manage password command from the main menu. When working in macOS, run the File > Manage password command from the command menu.
3.In the Manage password window that appears, click Change password.
4.In the Change password window, enter the current password, the new password, and a confirmation of the new password.
in the corresponding input field.5.Click Done.
Once the verification is successfully completed, you will see a notification confirming the entered passwords match. Save the document to confirm the changes.