The Login dialog box allows you to type your authorized Access login name and password when connecting to an Access database previously defined as a system database. Login names and passwords are assigned by your database administrator and should be entered exactly as assigned.
Data Source indicates the data source to which you are connecting.
If the data source has not been selected, you can assign one by clicking Database.|
Click OK to close the dialog box and initiate the login process.
Click Cancel to close the dialog box and cancel the login process.