The standard DAO (Data Access Object) data control is designed for working with Jet 3.5 Engine, whereas Microsoft Access 2000 database could be accessed only through the more recent Jet 3.6 database engine.
When you try to access an Access database using standard DAO data control, in addition to regular DAO commands, is doomed to failure and would raise run-time error 3343:
Unrecognized Database Format
This problem generally occurs if the MDB file has got damaged.
Technical aspects of the problem
In the MDB file, the data is stored as continuous pages with fixed size. The first page of the database is known as definition page. It contains the most precious definitions of the database.
If the page structure of the MDB file has got damaged, for instance, several bytes in head of the file have lost forever; Access won’t be able to recognize the pages of the file and will report the error.
If the database definition page or some other important data is damaged, then Access could not recognize the database format and would report this error message too.
Access database corruption is unluckily, very common and very devastating. When the MDB file gets corrupted, you can’t access any sort of data from the database and if you don’t have backup, you may fall in grave troubles.
But even if you do not have a backup copy of the database there are several data recovery companies which provide the solutions of this trouble. These solutions are available in the form of easy to use Access recovery software.
If you unexpectedly get the Unrecognized Database Format error messages without any apparent reason, the chances of Access database corruption are very high. The error message prevents you from accessing the database and you will have to repair and restore it using the access repair software.
Access recovery software are the easiest and quickest ways of repairing and restoring the damaged Access database. These software are extremely powerful and perform Access repair in few simple clicks.
Stellar Phoenix Access Recovery is the best ever made and the highly developed Access repair software which is applicable in each and every case of Access MDB corruption. This Access recovery software is able to repair and restore all the Access database objects including tables, reports, forms, macros, queries, database references and many alike.