There are different solutions that tackle this situation. To repair MS access database files, you can use any of the following solutions such as
Import Corrupt Database into new MS Access Database Using inbuilt Compact and Repair Database Use the Microsoft Jet Compact Utility
Use MS access database repair tool
Check here the steps to repair the corrupted MS access files manually. https://poonamrblog.wordpress.com/2015/11/18/5-important-manual-methods-to-repair-the-ms-access-database-files/