Reply To: How to Open .mbox File Type Extension?

It is required to download and install Mozilla Thunderbird and ImportExportTools add-in. After installing and configuring successfully, follow these steps:

1. Click on Tools >> ImportExportTools >> Import MBOX File.
2. In Files MBOX Import, click on Import directly one or more MBOX files.
3. Click on Import subdirectories to import MBOX files with its subdirectories.
4. Hit on Open in order to import MBOX file to Thunderbird.
5. It will open mailbox file and you can view all the emails.