Free MDB to CSV Converter - Convert MDB to CSV Online

How to convert mdb to csv file

July 6, 2026

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Older Microsoft Access databases (.mdb) might be converted and exported to common Comma Separated Value format (.csv files) either with spreadsheet or database programs that support both format, or with a dedicated conversion software. No formatting will be converted when you do mdb to csv conversion, just the data will be exported in a structured format.

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Understanding MDB and CSV file formats

The MDB file format is a database file used by Microsoft Access, a popular database management system. It stores data in a structured format, allowing users to manage and manipulate large datasets efficiently. MDB files can contain tables, queries, forms, and other database objects.

On the other hand, the CSV (Comma-Separated Values) file format is a simple text format used to store tabular data. Each line in a CSV file represents a data record, and each record consists of one or more fields separated by commas. CSV files are widely used for data exchange between different applications due to their simplicity and compatibility.

How to convert MDB to CSV

Converting an MDB file to a CSV file involves extracting the data from the database and saving it in a CSV format. This process can be done using various software tools and converters.

Best software for MDB to CSV conversion

One of the best software options for converting MDB to CSV is Microsoft Access itself. Here’s how you can do it:

Open the MDB file in Microsoft Access.
Go to the File menu and select Export.
Choose Text File as the export format.
In the Export Text Wizard, select Delimited and click Next.
Choose Comma as the delimiter and proceed with the export process.
Save the file with a .csv extension.

Another excellent tool for this conversion is DB Browser for SQLite, which can open MDB files and export them to CSV format.

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MDB vs CSV: format comparison

How the MDB and CSV formats compare on the properties that matter most for this conversion.

Comparison of the MDB and CSV file formats
Property	.MDB Microsoft Access Database	.CSV Comma-Separated Values
Plain-text readable	No	Yes
Data types	Typed	Typed
Nested structures	Yes	No
Formulas	No	No
Multiple tables or sheets	Yes	No
Typical file size	Medium	Small
Open standard	No	Yes
Best used for	Data exchange	Data exchange
Introduced	1992	—
Developer	Microsoft	—
MIME type	—	text/csv

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Frequently asked questions

Is the MDB to CSV converter free?

Yes, converting MDB to CSV on 101convert.com is completely free. No registration, email address or installation is required.

How large can my MDB file be?

You can upload MDB files up to 50 MB and convert up to 20 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert MDB to CSV?

No. The MDB to CSV conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid MDB file for this MDB to CSV conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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