Open Outlook and select Account Settings > Account Settings from the File tab. Select the Outlook Data File (.pst) for which you want to create or modify a password from the Data Files tab, and then select Settings. Decide on Change password.
Open Outlook and select Account Settings > Account Settings from the File tab. Select the Outlook Data File (.pst) for which you want to create or modify a password from the Data Files tab, and then select Settings. Decide on Change password.