Are you trying to open a database that has been open in Access 2000 (or later) with Access 97 ?

>This morning when open access a problem has occured. When
>I open the database I get the following warning:The
>database "XYZ" needs to be repaired or isn't a database
>file. Do you want Access to attempt to repair.
>
>When I click yes, it tells me "XYZ" can't be repaired or
>isn't a Microsoft Access database.
>
>It was one as of yesterday. Any suggestions for fixes. I
>cannot connect via a link to try and copy the tables. All
>this database consist of is tables.
>Help!
>Mike B