CurrentUser Method [Access 2003 VBA Language Reference]
You can use the CurrentUser method to return the name of the current user of the database. String.
expression Required. An expression that returns one of the objects in the Applies To list.
For example, use the CurrentUser method in a procedure that keeps track of the users who modify the database.
The CurrentUser method returns a string that contains the name of the current user account.
If you haven't established a security-enabled workgroup, the CurrentUser method returns the name of the default user account, Admin. The Admin user account gives the user full permissions to all database objects.
If you have enabled workgroup security, then the CurrentUser method returns the name of the current user account. For user accounts other than Admin, you can specify permissions that restrict the users' access to database objects.
The following example obtains the name of the current user and displays it in a dialog box.
MsgBox("The current user is: " & CurrentUser)