How to Import MBOX Files in Mozilla Thunderbird?

Thunderbird users can open MBOX files using these steps:
  • Open Thunderbird Email on PC
  • Select "Import" > "Mail" from the "File" menu.
  • In the import wizard, choose "Mailbox" and click "Next."
  • Choose "Files in MBOX format" and click "Next" again.
  • Select the MBOX file from the location.
  • Import the MBOX file into Thunderbird by clicking "Open.".
  • Thunderbird will then ask you to select a folder to import the MBOX file.
  • Choose an existing folder or create one.
  • Choosing the destination folder, click "Finish" to import.

Thunderbird imports the MBOX file into your specified folder, making it accessible using Thunderbird. Users can also use the BLR Tools MBOX Converter Tool to import MBOX files into a Thunderbird account.
 
You can manually import MBOX to Thunderbird via ImportExportTools. So, first of all they need to install this add-ons tool in Thunderbird, and after that you can perform the importing process.

Follow the below given steps to open the MBOX file in Thunderbird

1. Open Thunderbird and click on 3 horizontal line at the top right side to choose Add-Ons and Themes option.

2. Type ImportExportTools in search bar and press Enter.

3. Choose ImportExportTools and click on +Add to Thunderbird.

4. After that, restart Thunderbird application.

5. Now, navigate to Tools >> ImportExportTools >> Import mbox file.

6. Select MBOX file that you want to import.

Done! Hence, you can manually import MBOX file into Thunderbird but if you are facing any issues with it then you can use Advik MBOX Converter tool on your system. With this software, you can easily open MBOX file in Thunderbird without any external help.
 
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