MailtoPst

Convert your email files
in seconds.

PST, MBOX, EML, MSG, EMLX, OST, OLM — upload your file, pick a format, download. Your data stays on European servers and is deleted automatically.

First conversion free · No credit card · No commitment

GDPR compliant
TLS 1.3 encryption
EU servers
Auto-delete 48h
Up to 51 GB

Simple & fast

3 steps. That's it.

No software to install. No account setup required for your first conversion.

01

Upload

Drag & drop your email file — MBOX, EML, MSG, EMLX, OST, OLM, or PST. Files up to 51 GB.

02

Convert

Choose your target format. Our cloud engine converts instantly — metadata, folders, attachments preserved.

03

Download

Your converted file is ready. Download it directly or receive it by email.

Universal compatibility

7 formats.
One tool.

Whether you're migrating from Thunderbird to Outlook, archiving Apple Mail, or recovering orphaned Exchange files — MailtoPst handles every major email format.

  • PST & OST — Microsoft Outlook archives and offline files
  • MBOX — Thunderbird, Gmail exports, Unix mail systems
  • EML & MSG — Individual emails in standard and Outlook format
  • EMLX & OLM — Apple Mail and Outlook for Mac archives
PST Outlook
MBOX Thunderbird
EML Standard
MSG Outlook Item
EMLX Apple Mail
OST Offline
OLM Mac

Your data is protected

End-to-end encrypted

🇫🇷 Processed in France
🇳🇱 Processed in Netherlands
🔐 TLS 1.3 in transit
🗑️ Auto-deleted after 48h

Privacy first

Your emails are
none of our business.

We built MailtoPst with privacy as the foundation, not an afterthought. Your files are processed on European servers and automatically deleted. We never read, analyze, or store your data.

  • GDPR, ePrivacy & CCPA compliant

    Full regulatory compliance, no exceptions.

  • Zero cookies, zero tracking

    No analytics scripts, no third-party trackers on your data.

  • Automatic 48-hour deletion

    Your files are purged automatically. No exceptions, no delays.

  • End-to-end TLS 1.3

    Military-grade encryption for every file transfer.

Built for real workloads

Handles files your desktop tools can't.

Cloud-powered conversion with no file size limit worries. Works from any browser, any OS.

Files up to 51 GB

Resumable uploads — if your connection drops, pick up where you left off. No file size anxiety.

Preserves everything

Folder hierarchy, attachments, read status, timestamps, flags — all metadata intact.

Any OS, any browser

Mac, Windows, Linux, Chromebook — if you have a browser, you can convert.

Cloud processing

Our servers do the heavy lifting. No CPU drain, no storage needs on your machine.

Batch conversion

ZIP hundreds of files together. Directory structure becomes folder hierarchy in the output.

Instant results

Most files under 1 GB convert in under a minute. Download immediately or get an email link.

Popular conversions

30 conversion paths between 7 email formats. Here are the most common.

Pricing

Simple, transparent pricing

First conversion free. Pay per use, no subscription, no hidden fees.

Starter

€4.99

5 credits · €1.00/credit

Get started
Most popular

Standard

€14.99

25 credits · €0.60/credit

Get started

Pro

€39.99

100 credits · €0.40/credit

Get started

1 credit = 1 conversion. Failed conversions are never charged.

FAQ

Frequently Asked Questions

What email formats does MailtoPst support?

MailtoPst supports 7 formats: PST, MBOX, EML, MSG, EMLX, OST, and OLM. You can convert between any supported combination — that's 30 conversion paths.

Is the conversion free?

Your first conversion is completely free, no credit card required. After that, credit packs start from just a few euros per conversion.

Where are my files stored?

All files are processed on European servers in France and the Netherlands. They are automatically deleted after 48 hours and are never read, analyzed, or shared.

What is the maximum file size?

MailtoPst supports files up to 51 GB per upload, with resumable upload technology — if your connection drops, you can pick up where you left off.

Is MailtoPst GDPR compliant?

Yes, fully. MailtoPst is GDPR, ePrivacy, and CCPA compliant. End-to-end TLS 1.3 encryption, zero cookies, zero tracking, automatic 48h deletion.

What happens if my conversion fails?

If a conversion fails for any reason, no credit is deducted. You only pay for successful conversions.

Ready to convert your emails?

First conversion free. No credit card required.