Before you set the database password, make a backup copy of the database. To set a database password On the File menu, click Open . Navigate to the folder that contains the database and select it in the file list, click the arrow next to the Open button, and then click Open Exclusive . On the Tools menu, point to Security , and then click Set Database Password . In the Password box, type the password.
Passwords are case sensitive.
In the Verify box, type the password again to confirm it, and then click OK . The password is now set. Each time a user tries to open the database, a dialog box appears that requests the database password. If you or a user in your workgroup assigns password protection to a database and then forgets the password, you cannot open the database, gain access to its data from a data access page or from linked tables, remove protection from the database, or recover data from the tables. Keep a list of your passwords and their corresponding database names in a safe place.