2.On the Protection tab, click t_protection_set_password Set password. When working in macOS, you can also run the File > Set password command from the command menu.

3.In the Set password window that appears, enter a password for the document and confirm it.

For security reasons, all characters in passwords are replaced with dots. To display the password characters, click the show_password_gray button in the corresponding input field.

4.Click OK.

Once the verification is successfully completed, you will see a notification confirming the entered passwords match. Save the document to confirm the changes.

Next time the document is opened, you will be requested to enter a password prior to displaying the document content.

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