Open MBOX files directly in your browser

Use your favorite browser to open the MBOX file. All major browsers are supported (Chrome, FireFox, IE etc.)

View files locally on your computer

Our advanced javascript viewer loads the MBOX file locally on your computer. At no point does the file ever leave your computer. It is not transmitted across the internet or any server. So all your information stays confidential.

The MBOX file is not modified in any way

Unlike opening the MBOX in your own copy of Outlook, the GoldFynch MBOX viewer does not make any changes to the file and email metadata.

View raw file metadata such as MAPI properties

Blazingly fast load times let you quickly view thousands of emails, and email properties, without having to run any processing.

Make use of our other free eDiscovery Tools

No signups, installs, uploads or downloads. Run in-browser

PST Viewer

Quickly view the contents of your PSTs and OSTs

No signup, downloads or installs needed, it runs right out of your web browser, or as a Chrome Extension. No data is uploaded.

View your emails and their attachments without modifying them

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PST Analyzer

Identity data corruption and errors

No data uploaded, all information stays securely on your system

Avoiding upload and processing time to know if there are issues with your files

No file metadata is altered

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Hash Calculator

Drag and drop files to calculate hash values

Identify MD5, SHA1 and SHA512 hashes

Files, metadata and data remain un- changed

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Load File Viewer

Directly view load files to see produc- tion metadata

DAT and CSV load files supported

Easy access to load file encoding, format, headers, etc.

Avoid having to upload/process your entire production just to view the load file, file list, and metadata

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Frequently Asked Questions

  • How do I open an MBOX file?

Looking for how to view an MBOX file? Just go to the free MBOX viewer page and drag-and-drop your MBOX file into the window! No download or login needed, and none of your data is uploaded.

  • Is there more info on the Mbox viewer app?

The free GoldFynch MBOX viewer application runs directly in your web browser without needing a download or login. No data is transmitted from your computer, keeping your data safe and secure.

  • Is the MBOX viewer online?

The viewer runs in your web browser but does not require you to be online to view MBOX files. You can confirm that no data is uploaded by loading the GoldFynch MBOX Viewer page then disconnecting from the internet before you open an MBOX file to view it.

  • Is there an MBOX viewer for Windows?

If you use a Windows operating system you can easily use any web browser like Chrome, Firefox, Edge, etc. to open the GoldFynch MBOX viewer and view your MBOX files.

  • How to open MBOX files on MAC?

You can load the GoldFynch MBOX viewer in web browsers like Safari, Firefox and Chrome to view MBOX files on Mac systems.

  • How to open MBOX file with Thunderbird?

You will need an add-on to perform the import. Once logged in, click on “Tool” then “Add-ons” and search for “ImportExportTools NG” and install it.

Select “Local Folders” in the left panel and then click on the following in order:

  1. Tools
  2. ImportExportTools NG
  3. Import mbox files
  4. Import directly one or more mbox files

Then choose the MBOX file stored locally on your system and click on “Open”

Select the messages in the imported folder and drag them to the folder of the account you wish to move them to.

For a faster and easier alternative, consider using the GoldFynch MBOX viewer instead!

  • How to open MBOX file in Ubuntu?

You can use Chrome on Ubuntu to load the GoldFynch MBOX viewer that lets you quickly and easily view MBOX files.