When the binary file format of an Access database gets damaged, it usually results in an error message signifying that the database has become corrupt. The consequences are the database cannot be further accessed and hence, a serious data loss may occur. MS Access uses Jet as its default database engine which is capable of fixing most of the minor corruption issues. Therefore sometimes, you may not even come to know when your database became corrupt. Inconsistency in the Access database can happen due to may reasons, such as application malfunction, third-party software conflicts, multi-user access, database engine errors etc. In all these situations, your database becomes inaccessible causing you to lose all the valuable information stored inside your database. To overcome this problem, you need to go for Access database repair through a reliable third-party utility.
For instance, let's consider a real time example. Suppose you are using MS Access 2007 and an application in your system is trying to access one of your MDB files. When it does so, the following error message may flash on your computer screen:
"Disk I/O error during read"
The possible causes for this error message are-
It could be a bad hard drive or an IDE controller issue.
The Access database (MDB) file may be corrupt.
If the database is corrupt, you will nit be able to access important tables and other vital database components, such as views, stored procedures, triggers, indexes, constraints etc. In such instances, you may use an updated database backup to repair Access file. If the backup is missing, you should follow the below mentioned resolution steps.
Try the following steps to repair corrupt Access files -
Opening of the Access database by Access or Jet database engine results in the creation of an LDB file. First, delete this file as it is not required for repair purposes.
MS Access includes a powerful built-in utility ' Compact and Repair' that is used to repair the corrupt Access file. The utility can even perform Access repair of those MDB files that do not open up in MS Access application.
Use a third-party Access database repair tool. These tools are capable of efficiently repairing and restoring damaged Access database objects in a new MDB file. They allow previewing all the database components before actual recovery.
Stellar Phoenix Access Recovery is an advanced utility that repairs corrupt MDB files created in MS Access 2010, 2007, 2003, 2002, and 2000. Moreover, it is compatible with Windows 7, Vista, Server 2003, XP, and 2000.
You can download and use free evaluation version of this Access database Repair software to check the product features, scan damaged QBW files, and preview repairable items. You can then activate the demo version and save data to hard drive, if you are satisfied with the results.
How to Regain Access to a Corrupt MDB File After Receiving