PAIDFREE TRIALPOPULAR

Stellar Converter for OST

Convert inaccessible or orphaned Outlook OST files to PST, with preview, encrypted-file support and recovery of deleted e-mails.

by Stellar

PRICEPaid; free demo with preview

RUNS ONWindows

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About Stellar Converter for OST

Perform secure conversion of OST files to Outlook-importable PST files

Stellar Converter for OST (formerly Stellar Phoenix OST to PST Converter) is secure and reliable software that converts Outlook OST files to their equivalent PST files. It scans the complete database and repairs corrupt records it finds. You can preview the discovered e-mails and other data items, select particular e-mails and save them on your computer, and save the converted PST file anywhere you like.

It converts all contents of the OST file – e-mails, attachments, contacts, calendars, tasks, notes and journals – and shows a preview of the mailbox in a three-pane view.

Key features:

Scans the complete database and repairs corrupt records
Preview of discovered e-mails and other data items before saving
Save selected e-mails as EML and MSG files, as well as RTF, HTML and PDF
Export to PST and, in higher editions, to Microsoft 365, Live Exchange Server and MBOX
Batch conversion of several OST files
Converts encrypted OST files and recovers deleted e-mails
Find option, advanced filters and resume function
Split and compress large PST files
Supports OST files from Outlook 2007 to 2021 and Microsoft 365

Key features

OST to PSTConvert inaccessible or orphaned OST files

PreviewThree-pane view of mailbox items

Many formatsPST, MSG, EML, RTF, HTML and PDF

Encrypted OSTSupported

Deleted e-mailsRecover and convert them

Batch, split and compressHandle large mailboxes

License and price

License type: Paid (with free trial)
Price: Paid; free demo with preview

System requirements

Operating system: Windows

Good and keep in mind

Good

Handles orphaned and encrypted OST files
Preview before saving
Recovers deleted e-mails

Keep in mind

Paid software – the free demo only previews mailbox items
Export to Microsoft 365 and Exchange needs a higher edition

Frequently asked questions

Is Stellar Converter for OST free?

The free demo scans and previews OST mailbox items. Saving them to PST requires a paid licence.

What does Stellar Converter for OST do?

It converts OST files – including orphaned, inaccessible or encrypted ones – to PST, and can also save items as MSG, EML, RTF, HTML or PDF.

Does it convert contacts and calendars too?

Yes. It extracts e-mails, attachments, contacts, calendars, tasks, notes and journals, and can recover deleted e-mails.

Can I convert OST to PST without paid software?

If the Outlook account still works, you can export the mailbox to PST for free in Outlook (File › Open & Export › Import/Export). A converter is needed when the OST file is orphaned or cannot be opened.

What operating systems does it support?

It runs on Windows (64-bit). Download it from the official Stellar website using the link on this page.