MBOX to PDF Converter Software MBOX to PDF Converter Software

MBOX to PDF Converter for Windows

Convert Thunderbird and Apple Mail .mbox mailboxes to PDF on Windows, with no email client needed.

   
 Download for Free
MBOX to PDF Converter Software Screenshot.
An .mbox file is one long text file with all your emails stacked inside it, the way Thunderbird and Apple Mail keep a mailbox. Windows has no built-in way to open it, so the mail just sits there unreadable until you load it back into a client. SoftOrbits MBOX to PDF Converter reads the .mbox directly on your PC and saves each message as a PDF, keeping the original HTML layout and inline images. Nothing is uploaded anywhere.

How to convert MBOX to PDF

Add your mailboxes.

1. Add your mailboxes

1. Add your mailboxes

Click Add File for one or more .mbox files, drag them into the window, or use Add Folder to pull every .mbox from a Thunderbird profile, including the .sbd subfolders.

Pick what to export.

2. Pick what to export

2. Pick what to export

Each mailbox shows up as a node in the tree with a checkbox. Click a node to see its messages, then type in the filter to narrow by sender or subject.

Preview and choose PDF.

3. Preview and choose PDF

3. Preview and choose PDF

Click any message to read it in the preview pane. Set the output to PDF and pick a destination; each mailbox gets its own subfolder, so nothing overwrites.

Start the conversion.

4. Start the conversion

4. Start the conversion

Press Start. The program walks every checked mailbox and saves each message as its own PDF, showing progress as it goes.

Made for private, offline email archiving.

Made for private, offline email archiving

Mail is sensitive. This tool gets clean PDFs out of a mailbox you can no longer open any other way.

  • Everything stays on your PC. The conversion runs locally, so your mail is never sent to a web service. That matters when a mailbox holds sensitive legal or HR correspondence. Most online converters also cap uploads around 50 MB, and a real archive is much bigger than that.
  • No mail client required. You do not need Thunderbird or Apple Mail installed. Point the program at a saved .mbox and read it on Windows, even when the account that made it is long gone.
  • A record you can defend. A PDF cannot be casually edited. It holds the whole email, headers and all, in one fixed document. Courts and auditors ask for mail as PDF for that reason, not a raw mailbox anyone could quietly change.
  • No size limit. A 6 GB mailbox is too big for a browser upload, and printing it one email at a time takes hours. The desktop app does it right on your PC.
   
 Download for Free

This Windows software opens mailboxes from Thunderbird and Apple Mail, plus the big .mbox that Gmail hands back through Google Takeout. A folder of old correspondence becomes a set of PDFs you can archive or pass to a lawyer.

Message list with a live filter

Every mailbox opens as a list of messages with Subject, From, To, Date, and Size. Filter by sender, recipient, subject, or body text to find the ones you need before export.

Whole folders at once

Add a single .mbox, several together, or a whole directory. Add Folder walks the tree and finds every .mbox inside, including the .sbd subfolders Thunderbird uses for nested mail folders. Each file becomes its own node you can check or skip.

Keeps the formatting intact

Messages render through a full HTML engine, so the original keeps its colors and inline images in the PDF, laid out the way the sender built it. No flattened plain-text dump.

Batch export, one PDF per message

Check the mailboxes you want and the converter handles them in a single run, writing one PDF per message into a per-mailbox subfolder. A 109-message file comes out as 109 named documents, with no name collisions.

Who is it for?

Legal, HR, and compliance

Sometimes you have to retain or hand over email for a litigation hold or an audit, and PDF is the format everyone accepts. Convert the exported mailbox once and keep the records in a form that does not need a mail client.

Leaving Thunderbird or Apple Mail

A move to a new computer or a new client leaves old .mbox files behind. Turn them into PDFs you can open anywhere, instead of reviving an old account just to look one thing up.

Anyone with a Gmail Takeout export

Google Takeout hands your Gmail back as one big .mbox. Point this tool at that file to read it on Windows and save the messages you care about as PDF.

MBOX to PDF Converter Software

MBOX to PDF Converter Software

Languages
File Size

6.5 Mb

Version

1.0

Last updated on

28/04/26

$ 19.99

🖥️ System Requirements

  • Windows 11/10/8.1/8/7 (32/64 bit)
  • Intel i3, AMD Ryzen 5 or above
  • 4 GB of RAM or above
  • NVIDIA® GeForce® series 8 and 8M, Intel® HD Graphics 2000, Quadro FX 4800, Quadro FX 5600, AMD Radeon™ R600, Mobility Radeon™ HD 4330, Mobility FirePro™ series, Radeon™ R5 M230 or higher graphics card with up-to-date drivers
  • 1280 × 768 screen resolution, 32-bit color
  • 1 GB of free hard disk space or above

🙋 Frequently Asked Questions

No. The converter reads the saved .mbox file directly. The mail client that created it does not have to be on the PC, or even exist anymore.

Yes. The message is rendered with its HTML layout, so colors, tables, and inline images show up in the PDF as the sender meant them. This covers the message body and embedded images, not separate file attachments.

No. Everything runs on your computer. Nothing goes to SoftOrbits or any cloud, which is the main reason to use a desktop tool instead of an online converter for private mail.

Yes. Add files one at a time or multi-select a batch. You can also drag a folder in, or use Add Folder to pull every .mbox from a directory and its .sbd subfolders. Each mailbox appears as its own node in the tree.

No, this is a Windows program (Windows 10 and 11). It does read .mbox files exported from Apple Mail, you just run the conversion on a Windows PC.

Not in this version. It saves each email as its own file. For most archiving and evidence work that is what you want, since every message stays a separate, dated record.

An .mbox is a single text file that holds every message of a mail folder back to back, each one starting with a 'From ' line. Thunderbird and Apple Mail both use it, and so does a Gmail Takeout export. Windows cannot open it on its own.

In Thunderbird the files already sit in your profile folder; the ImportExportTools add-on exports them too. Apple Mail uses Mailbox then Export Mailbox. Gmail gives you one through Google Takeout.

Each of those formats has its own SoftOrbits tool. Use the EML to PDF Converter for single saved messages, the MSG to PDF Converter for Outlook message files, and the PST to PDF Converter for a full Outlook archive.

Rate MBOX to PDF Converter Software

  • Windows 7
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Author: SoftOrbits (English)
Avg. rating: 4.5 from 822 votes