We are all aware that MS Access is an efficient data management tool and can save macros, tables, forms, queries, and more. Due to its user-centred interface and functionality, MS Access is becoming more popular now a day. The database items are stored in proprietary ACCDB and MDB file extensions. However, various situations can cause database file corruption, such as power outage, unexpected termination of MS Access, malware attacks, and a hardware issue causing an unexpected shutdown.
Among the many errors that Access user’s faces during the process is error code 3049. When a user tries to open the database, this error code starts to pop up and make the database inaccessible for the user. It is essential to point out that this error can manifest as the Access 2007 and later versions incorporate several advanced features such as data macros, publish to Access services, and more. But older files might not open in these versions. Due to this, the application throws an error with the message: “Cannot Open Database It may not be a database that your application recognizes, or the file may be corrupt.” 
Therefore in this blog, we will discuss all the possible causes for getting the Access database error – “cannot open access database”. Furthermore, we will also discuss all the possible ways to get rid of “can’t open access database” errors using manual and third-party solutions.
We have found some of the prominent causes behind the error code 3049, let’s take a look:
In the upcoming section, we will find a manual approach to fix or resolve Access database error 3049. Various methods will help to remove Access error 3049 and fix mild database corruption.
These are the reliable methods that will help to remove Access error 3049. Follow the methods mentioned below:
Due to uncertainties between the old MDB version and the new ACCDB version, MS Access provides a manual procedure to send data from older MDB files to the recent and latest ACCDB files. It is often recommended to close all the programs and files related to MS Access. This process can only be worked on Access 2007 or its later versions.
You just need to follow the detailed steps given below, to perform the conversion successfully:
2. Open dialog box appear on the screen. Select MDB file that needs to be converted to ACCDB format >> click Open.
3. Now again, >> click File tab and >> click Save As >> click Save Database As >> click Access Database.
4. You will see the following popup message, If the conversion is successfully completed:
Finally, you have successfully converted your MDB file to ACCDB format.
This is the best tricks to access your MDB files. But before using this method, you must have a backup of your databases for future use.
Note: To create a backup, you need to follow the steps which are outlined below:
As we have already mentioned, the access database can grow significantly in file size and can become corrupted. In this case, this compacting and repairing feature helps us, as it is able to reduce the size of database files.
To open the database, that needs backup, move to the File tab and choose >> Compact and Repair options from the >> Info tab. 
Very few users know that Windows has a built-in drive tool to repair corrupt access databases, which is highly capable of handling database errors such as 3049 very easily.
You can follow the detailed steps given below to repair the Access file:
2. Now scroll down and you will see the odbcad32.exe file, just launch it.
3. In the User DSN tab, you just click on the Add button.
4. Here a new window will open as “Create a New Data Source”. Now, Select the Driver do Microsoft Access (*.mdb) option and click on Finish.
5. To proceed next, you are required to click on the Repair button.
6. In the Repair Database window, you need to select the drive and then the folders containing the MDB files, as you see below. Click OK.
7. You will see the following message as given below, if the repair gets completed successfully.
If the above-given methods don’t work for you, then as a last resort, you can check out reliable third-party tools such as Access Database Repair tool. This standalone utility is highly efficient when you are dealing with common Access Database errors such as error codes 3112, 3800, 2239, 3011, 3049, and more. Have you recently been asking how you can fix the access database 3151 error? Then really, you are very lucky because this tool can efficiently fix the error code 3151 for you. Not only this, but it also provides many other features that help you in flawless database recovery.
