Software

http://technet.microsoft.com/en-us/library/cc178973.aspx

Please post back if you have any more problems or questions.

To convert an Access 2000 or Access 2002 - 2003 database (.mdb) to the Access 2007 file format (.accdb), you must first open the database in Access 2007 and then save it in the .accdb file format.

1. Click the Microsoft Office Button Button image, and then click Open.
2. In the Open dialog box, select and open the database that you want to convert.

Note If the Database Enhancement dialog box appears, the database is using a file format that is earlier than Access 2000. To continue, see one of the sections that follows: Convert an Access 97 database, Convert an Access 95 database, or Convert an Access 2.0 database.
3. Click the Microsoft Office Button Button image, point to Save As, and then, under Save the database in another format, click the file format to which you want to convert.

If any database objects are open when you use the Save Database As command, Access prompts you to close them prior to creating the copy. Click Yes to make Access close the objects, or click No to cancel the entire process. If needed, Access will also prompt you to save any changes.
4. In the Save As dialog box, type a file name in the File name box, and then click Save.

Access creates the copy of the database, and then opens the copy. Access automatically closes the original database.

Convert an Access 2.0 database

You can import tables, queries, and macros from an Access 2.0 database (.mdb) into an Office Access 2007 database (.accdb). You cannot, however, convert an Access 2.0 database to the Access 2007 file format by using Access 2007. To import forms, reports, or modules into an Access 2007 database, you first convert the database by using an earlier version of Access, then open the converted database using Access 2007, and then convert the database into an Access 2007 database. The following procedure explains these steps:

1. Open the database in Access 2000, Access 2002, or Access 2003.
2. Save the database in either the Access 2000 or Access 2002 - 2003 format.
3. Open the database in Access 2007.
4. Convert the database into an Access 2007 database.

Import an Access 2.0 database into an Access 2007 file

If you use an existing database in the Access 2.0 format (.mdb), you can import tables, queries, and macros from that database into a Microsoft Office Access 2007 database (.accdb).

To import forms, reports, or modules into Office Access 2007, you must first convert the database by using an earlier version of Access, open the database in Access 2007, and then convert the database into the Access 2007 database format.
http://office.microsoft.com/en-us/access/HA102066241033.aspx
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Please post back if you have any more problems or questions.