ACCDB and MDB are the common Access database file formats. These database files can easily become corrupted due to reasons, such as unexpected system shutdown, sudden closing of Access application, or the system is affected by virus or malware. When the Access database file gets corrupted, you may get various errors while working on it or opening it. Some of the random errors include:
- The Microsoft Access database is in a consistent state.
- Unable to open the access .accdb file.
- Microsoft Access isn’t opening .mdb files.
So, it’s important to repair the corrupt Access database files and recover the data. To repair Access database files, Microsoft provides a built-in tool in MS Access – Compact and Repair. In this article, we will cover how to repair a corrupt database using Compact and Repair tool in Access. To repair the Access database quickly without data loss, you can use the professional Access repair tool described in this article.
How to use Compact and Repair Tool to Repair Corrupt Access Database?
The Compact and Repair tool is a built-in feature in Access. It compacts the database/reduce its size by clearing the unused space. It also helps you prevent and correct the following problems affecting the database:
- The Access database file is corrupted or damaged
- The size of the Access database file is large
- Performance issues caused by a large-sized Access database
You can use the Compact and Repair tool in different ways. Before proceeding to use this tool, first make sure:
- You have all the permissions on the database that you’re trying to repair
- No other users are using the affected database file
- Create a backup of your database
Here are the steps to use the Compact and Repair tool to repair database without opening it:
- Open the Microsoft Access application.
- On the Templates window, double-click the Blank Database option.
- Click File and then click Close.
- Select Database Tools and then select Compact and Repair Database.
- On the Database to Compact From window, browse and select the database you want to repair. Then, click Compact.
- Select a location where you want to save the repaired database file and click Save.
Limitations of Compact and Repair Tool
This tool has the following limitations:
- The tool can help you repair and resolve minor corruption in ACCDB/MDB files.
- While repairing a severely corrupted Access database file, it may truncate the data.
- It may not provide desired outcome when repairing large-sized database files.
- You may require exclusive access to the database you’re trying to repair.
What to do if Compact and Repair Tool Fails?
If the Compact and Repair tool fails to repair the corrupted Access database file, then you can follow the repair methods mentioned below.
Method 1 – Restore from Backup
It is one of the easiest methods to recover the data. If you’ve a latest healthy backup file of your Access database, then you can restore it and replace it with the corrupted one. Here’s how to restore the database from the backup:
- On your system, open the File Explorer.
- Find the folder where the backup of the Access database file is located.
- Copy the backup file and then paste it in the folder where the affected database file is saved.
- Click Allow on a prompt asking you to replace the existing database copy.
Method 2 – Import Data from Corrupted Access Database into New Database
An alternative you can use is – import data from the corrupted Access database file into a new database file. It helps recreate the structure of the corrupt database file, with its objects. You only need to create a new blank database file and then import the data from the corrupt file into it. Steps to import data from corrupted .ACCDB/.MDB file into a new database file are:
- In your Access application, click the External Data option and then click Import Access Database.
- In the Get External Data – Access Database window, click on the Browse option to choose the corrupted database.
- Now, click on the option – “Import tables, forms, reports, macros, and modules into the current database.”
- Select the required specific objects, like tables, reports, forms, modules, macros, etc., from the database that you want to import into the new database.
- Click OK.
Limitations of this method:
- It is a time-consuming process to import objects manually one-by-one from a complex and large database file.
- May not able to recover deleted records from the Access files.
- Importing complex tables with relationships, and VBA modules and macros may lead to data loss.
- It requires technical expertise to perform the process successfully.
Method 3 – Use a Professional Access Repair Tool
If the above methods fail to repair/recover the corrupt Access database, you can use a specialized Access database repair tool, like Stellar Repair for Access. It is an advanced MS Access database repair tool designed to repair severely corrupted Access database (MDB/ACCDB) files of any size or in any state. Also, it can repair split Access databases. It can easily recover all the database file objects, including macros, tables with relationships, VBA queries, and modules, with complete precision. Also, it allows you to perform specific object recovery. It saves the recovered file to a new database file at a desired location.
Conclusion
Corruption in Access database files can make them inaccessible. You need to repair the corrupt Access database files to access them. In this article, we have explained the stepwise process to repair a corrupt database using Compact and Repair tool. But if the database file is severely corrupted, it may fail to repair it. In such a situation, the optimal solution is to opt for an Access database repair tool, like Stellar Repair for Access. It can help you get rid of the complex-corruption errors in Access.
