5 Hasty Methods to Fix Type Conversion Failure in Access Error!

Type conversion failure in Access error typically occurs when the data type of a value does not match the expected data type for an operation, field, or expression. This vexing error may disrupt your workflow and ruin your database experience. In this blog, I will show you how to fix the Microsoft Access type_conversion_failed error with less effort. Likewise, I’ll discuss the insights of this error along with its common causes.

type conversion failure in Access

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What Does Type Conversion Failure Mean in Access?

When a type conversion failure error occurs in Microsoft Access, it simply means that either the file you are trying to import into an Access DB table is corrupted or the data type you entered in the table is mismatched.

However, this warning appears due to various reasons including:

  1. Inconsistent Data– Sometimes, data inconsistencies, like a mix of text & numbers within a field hold only numbers.
  2. Mismatch Data Type– The data type you have assigned in the table is mismatched.
  3. Corrupted File– An Excel file you are trying to import into Access is corrupted
  4. Invalid Data– Entering incorrect text string to a database table.

Will I Lose My Data If I Don’t Fix type_conversion_failed Error Promptly?

Yes, if you ignore the type_conversion_failed error in Microsoft Access, you may lose your crucial data that are stored in the database table. So, it is highly recommended to fix this error on time to avoid inconsistency and loss of data.

Now let’s find the possible solutions to overcome this issue.

How to Fix Type Conversion Failure in Access Error?

Try the below troubleshooting ways to fix this problem effectively:

Method 1- Ensure the Assigned Data is Correct

The first thing that can be taken into consideration is to check if you have entered incorrect or invalid data. Ensure that the assigned data in the DB table is correct and precise.

Also Read: Fixing MS Access Error 2950- “Action Failed” in Minutes!

Method 2- Check the Data Type

Many users have found this method useful in their cases. Therefore, ensure that the fields of the Access table comprehend compatible data types.

It might be possible that the field is comparing text with numbers or comparing dates with text that is causing this error.

Method 3- Fix Corrupted Database File

The type conversion failure when importing into Access error can also be caused due to database file corruption. In such a case, it is worth using the built-in Compact and Repair tool of Microsoft Access to repair the database.

Follow these steps to use this tool:

  • Ensure to close all the DB files >> launch the Access application.
  • On a Templates page >> click on a Blank Database.

Type Conversion Failure in Access Error

  • Navigate to File >> Close.

Blank database

  • Next, go to Database Tools and then click on the Compact and Repair Database option.
  • Now, select the corrupted database file that you want to compact & repair.
  • Click Compact.

Compact and Repair Database

Now, you will get a new compacted and repaired DB file at the same location where your original DB file is saved.

Method 4- Import The Database Objects into A New Database

Importing the objects of that database file into a new database is an advanced solution to get rid of this problem. The steps might be lengthy but they can eventually help you to get your job done.

So, let’s start this process by creating a new file and importing the entire data into a new file.

Here are the complete steps to do so:

  • Open Microsoft Access.
  • Choose a Blank Access Database >> click OK.
  • Then, provide a name for your new database file & select a location to store it.
  • Click Create option >> go to File tab >> click Get External Data >> Import.

Get External data

  • For importing Access database >> click Access option.
  • Now, you’ll get the external data Access Database window opened.
  • Click on Tables tab at the top of the Import Object Window >> click Select All.


  • Finally, click the OK button.

The data from a corrupted DB file should now be in the file that you have recently created.

Also Read: Fix: Run Time Error 3151 ODBC Connection Failed!

Method 5- Use the Sophisticated Access Repair Tool to Fix Type Conversion Failure in Access

If the aforementioned fixes failed to fix the type conversion failure Microsoft Access error, it may be possible that your DB file is severely corrupted. And it is not possible to repair it with the help of the built-in Access utility (Compact and Repair).

In such a case, you can use universal software, like MS Access Repair ToolIt can repair the severely corrupted database file and recover all the components such as tables, indexes, forms, queries, and more from a corrupted file with ease.

* By clicking the Download button above and installing Stellar Repair for Access (14.8 MB), I acknowledge that I have read and agree to the End User License Agreement and Privacy Policy of this site.

Related FAQs:

What Is Data Type Conversion?

Changing a data type of a value in the Access database is known as “type conversion”.

Why Am I Getting a Type Conversion Failure in Access?

The type conversion failure error in Access mainly triggers due to mismatched data type or corrupted file that you are trying to import to Access.

What Are the Two Types of Type Conversion?

The two types of type conversion are implicit and explicit.

How Do You Fix When You Encounter Data Conversion Error?

When you encounter this error, you can simply opt for the Compact and Repair utility to repair the corrupted database file.

Verdict Time

Type conversion failure Microsoft Access error can be triumphed with a handful of correct tricks stated in this blog. In case, you fail to fix this warning message with the above-mentioned tips, seek expert assistance from the Microsoft Support Team.

Additionally, you can reach us on Facebook or Twitter for any guidance or assistance.

tip Still having issues? Fix them with this Access repair tool:

This software repairs & restores all ACCDB/MDB objects including tables, reports, queries, records, forms, and indexes along with modules, macros, and other stuffs effectively.

  1. Download Stellar Repair for Access rated Great on Cnet (download starts on this page).
  2. Click Browse and Search option to locate corrupt Access database.
  3. Click Repair button to repair & preview the database objects.

Pearson Willey is a website content writer and long-form content planner. Besides this, he is also an avid reader. Thus he knows very well how to write an engaging content for readers. Writing is like a growing edge for him. He loves exploring his knowledge on MS Access & sharing tech blogs.

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