Thunderbird ImportExportTools NG Not Working – Solved!

Overview: In the digital era, millions of users use Thunderbird as their primary email client to export or import emails. Users still need to use Mozilla Thunderbird to import or export MBOX emails by using the ImportExportTools NG add-on. Some users face the error Thunderbird ImportExportTools NG Not Working properly. If you also need an effective solution to access MBOX files in Thunderbird without any frustration, then follow this up-to-date guide.

This article guides every user who faces this issue in Thunderbird in Windows 7, Windows 10, Windows 11, and other OS. This guide helps every user with multiple problems in Thunderbird, whether an add-on fails to install, importing MBOX files, or Thunderbird stops responding.

Why Thunderbird ImportExportTools NG is Not Working? Cause!

There are multiple reasons and effects mentioned below that explain why ImportExportTools NG may not work properly in Mozilla Thunderbird.

• Incompatible Thunderbird Version: Sometimes, add-on may not support newer Thunderbird versions
• Outdated Add-on: The ImportExportNG extension itself has likely become corrupt or out-of-date.
• Missing MBOX File Format Support: Incorrect MBOX format might cause this add-on to stop working.
• Permission Issues: Import/export problems may occur due to a lack of correct permissions.
• Windows 7 Compatibility Issues: Some users still use Windows 7, and they are finding the solution to fix “Thunderbird ImportExportTools NG is not working” on Windows 7 OS.
• Issues with Different Add-ons: Thunderbird another extension can conflict with the functionality.

After knowing the reasons, let’s move to solutions that help to fix this issue in Thunderbird ImportExportTools NG Not Working.

Thunderbird ImportExportTools NG not Working! Here is a Best Solution Below

Users can follow the best troubleshooting methods to fix ImportExportTools NG errors. With the users of these quick fixes, users can re-continue importing and exporting emails in Thunderbird.

Fix 1: Check Mozilla Thunderbird Version

Before starting the fixing in Thunderbird, be sure that your Thunderbird is the latest version.

• Open Mozilla Thunderbird.
• Tap Help > About Thunderbird.
• Check the version number.
• Visit the official add-ons page to confirm.
• If using an older Thunderbird version, then update to the latest version.

A Quick Tip: If the add-on is not compatible with the latest version, downgrade Thunderbird.

Fix 2: Re-install ImportExport NG Add-on in Thunderbird

If Thunderbird ImportExportNG is not working on your PC, then you can reinstall this extension. After the installation, users can fix bugs or corrupted files.

• Start Mozilla Thunderbird.
• Tap on the go to Tools >> Add-ons or Themes.
• Find ImportExportTools NG add-on.
• Click Remove or Uninstall the extension.
• Restart Thunderbird.
• Reinstall Thunderbird Add-ons’ current version.

User Note: Try to see if the issue has been solved after reinstalling.

Quick Fix 3: Start/Run Mozilla Thunderbird in Safe Mode

If the “Thunderbird ImportExportTools NG is not working,” another extension might be in conflict with the ImportExportNG.

• Close Thunderbird properly.
• Restart Thunderbird in Safe Mode.
• Hold Shift (Windows) or Option (Mac) while launching Thunderbird.
• In Safe Mode, try importing/exporting by the ImportExportTools NG add-on.
• If this tactic works, disable conflicting add-ons by clicking on the Add-ons Manager >> Extensions.

Quick Fix 4: Allow MBOX File Support in Mozilla Thunderbird

Confirm that Thunderbird supports the MBOX format if you want to import MBOX files and the Thunderbird ImportExportToolsNG isn’t working.

• Open Mozilla Thunderbird.
• Tap on the Tools >> Account Settings.
• Under email account, choose the select Server Settings.
• Make sure the option ‘Use Local Folders’ is enabled.
• After that, retry importing the MBOX file by using ImportExportTools NG.

Easy Fix 5: Check Windows 7 Compatibility

Many users face the issue that “Thunderbird ImportExportTools NG is not working on Windows 7”. Users can use the compatibility settings in Thunderbird. if you are still seeing this type of issue.

• Right-click in the Thunderbird shortcut.
• Choose Properties >> Compatibility tab.
• Make sure to run this program in compatibility mode.
• Pick Windows 7 or Windows XP.
• Click Apply
• After all steps, Restart Thunderbird.

Easy Fix 6: Import MBOX Files in Thunderbird Manually

In case ImportExportTools NG fails to work for MBOX import, consider manually transferring MBOX files into your profile folder of Thunderbird.

• Close Thunderbird.
• Go to Thunderbird’s profile location:

Windows: C:\Users\[Your Name]\AppData\Roaming\Thunderbird\Profiles\[Profile Name]\Mail\Local Folders

Mac: ~/Library/Thunderbird/Profiles/[Profile Name]/Mail/Local Folders

• Copy MBOX file into this folder.
• Restart Thunderbird.
• The MBOX file should now be visible in Local Folders.

Immediate Quick Fix: Try MBOX Import Method

If the above tricks didn’t work well, then try an alternative way to import MBOX files into Thunderbird. Users can use the BLR MBOX file converter software  to import MBOX files into a Thunderbird account. This is a third-party solution that helps users to easily access/open MBOX files without any frustration.

Sum Up:

Are you still trying to fix the Thunderbird ImportExportTools NG not working issue? With the help of these 7 solutions, you can solve this problem easily. Users can quickly resolve problems related to installation errors, import failures, Windows 7 compatibility issues, etc.

The most effective Thunderbird quick fixes are here:

• Update and reinstall the ImportExportNG extension.
• Try to run Thunderbird in Safe Mode.
• Check MBOX file support and add-on conflicts.
• Import MBOX files manually.
• Open MBOX files in Thunderbird by using an Alternative solution.

If none of these fixes work, then try the alternative solution, which is known as best MBOX email converter exporter.

Frequently Asked Questions?

First Question: What else solution can I use to fix issues of plugin ImporExportTools NG failed or not working on my Thunderbird Windows PC?

Answer: No, there is no such more solutions available but the recommended solution is the best solution, in case manual method does not work. So BLR mbox email converter is the right solution.

Second Question: What if recommended solution does not work as described above?

Answer: Above recommended solution is fail-proof and works 100% and in case it does not work then there is full refund would be offered if the license been purchased by you.

Third Question: I am not sure how can I access entire mbox emails on Thunderbird email account?

Answer: This is all easy by utilizing the recommended software solution above and get access to emails stored in MBOX files.