100 MB free · No card · No subscription. See transparent pricing
MailtoPst
Start converting
Seven email formats. One online converter.

Your email.
Free to move.

Convert PST, OST, MBOX, OLM, MSG, EML and EMLX in your browser. Inspect the archive first, choose the format you need and pay only when the result is ready.

Convert email online →See how it works ↓
100 MB freeNo softwareNo charge if it fails
Build your conversion Available online
↓
✓ Ready to convertPreview before payment
PST → MBOXOLM → PSTOST → EML
PST · OutlookMBOX · ThunderbirdOLM · Outlook MacOST · ExchangeEML · UniversalMSG · OutlookEMLX · Apple MailPST · OutlookMBOX · ThunderbirdOLM · Outlook MacOST · ExchangeEML · UniversalMSG · OutlookEMLX · Apple Mail
PSTMBOXOLMOSTEMLMSGEMLX
Seven formats. One way forward.

Bring the archive.
Leave with usable email.

Convert the formats that are hardest to move directly in your browser. Choose the source you have, select the destination you need and start with 100 MB free.

Choose your format →✓ No software · No card required
Online conversion without the black box

A clear way through every archive.

MailtoPst keeps the important moments visible without turning the page into a control panel.

Start converting online →
01

See it before conversion.

Inspect the archive and understand what is inside.

02

Follow the job, not a spinner.

Know what is being processed and what comes next.

03

Download only when it’s ready.

The result appears after the conversion is validated.

Your archive is the starting point

Pick the source.
See every way out.

No technical matrix to decode. Pick the file you already have and MailtoPst reveals compatible destinations.

02 · Where it goes

Popular routes from PST

PST→MBOXPST→EMLOST→PSTMBOX→PSTOLM→PSTEMLX→EML

Only compatible destinations are shown

Temporary online workspace

Your conversion finishes.
Your files don’t linger.

Encrypted transfer. European processing. Automatic removal after the download window — or sooner whenever you choose.

Convert online →
FILES REMOVED WITHIN24hDelete sooner at any time

100 MB free. Then pay only for what you convert.

No subscription and no charge for a failed conversion.

Calculate your price →
Questions, answered

Know what happens before you upload.

Is my first conversion free?＋

Every account includes 100 MB of conversion credit. No card is required to inspect your archive or get started.

What happens if conversion fails?＋

A failed conversion is not charged. Reserved credit is restored and card authorization is not captured.

How large can my archive be?＋

The upload flow accepts files up to 50 GB and resumes automatically after a connection interruption.

Open the archive.
Keep the history.

Start with 100 MB free. No card. No subscription.

Start converting →See pricing