Feel comfortable to transfer all types of OST to EML files with sophisticated OST to EML converter tool
⚙ 100% Standalone Solution: Convert Outlook Offline Storage Table file (.ost). to Standard email message file (.eml) used by many clients. directly without installing Microsoft’s desktop email app. Standalone Softaken tools can run without Outlook installed. on your computer.
Key Features at One Glance
Available for Windows, Mac, and Linux. Pick your OS, then download or buy. Free demo exports 10 items per folder. No Outlook required.
Load offline OST mail, convert with Softaken, then open individual EML messages in your email client.
Import converted EML emails into
Follow the steps on the left. Use the arrows to switch screenshots — click a screenshot to enlarge.
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See Softaken OST File Exporter load an offline OST file, preview the mailbox folder tree and email body, choose EML export with naming options, and save messages with attachments — without installing Microsoft Outlook. Import the generated EML files into Thunderbird, Windows Mail, Outlook Express, eM Client, or Apple Mail.
The utility preserves data integrity completely. The formatting applied on the files, their content, their layout is as it is maintained after the conversion. No change in the quality of files is done by the utility during the whole migration process.
Benefit: Preserve data integrity.
No data loss during conversion process. OST to EML converter saves your important OST files from damage. The conversion quality is 100% achieved by smoothly transforming all types of OST files to EML format without losing formatting of files and content.
Benefit: Safe Data Transfer Assurance.
With OST to EML Converter, you can export any size OST file to EML without any interruption having no data loss and damage to any file. All the files are safely migrated from OST to EML without facing any issue by the users.
Benefit: Allow any size OST file.
Providing preview of the converted files. OST to EML conversion program supports preview of the migrated files before you save. The preview option ensures quality of the migrated data.
Benefit: Help You Check Quality of Conversion before Saving.
Allow conversion of desired OST files. OST to EML transfers those OST files that you want to convert. It gives "Search" menu to locate those specific files that you want to convert to EML format.
Benefit: Support "Search" Menu to Locate Specific Files for.
Conversion speed is fast and without much manual attempts. It saves quality time of users by allowing fast speed migration. A few simple clicks are required to click to convert OST Outlook to EML. No more extra efforts required for the conversion.
Benefit: Fast and Easy Conversion Task.
The tool allows saving of the converted OST items to desired location of your system. The users can set this location as per their suitability. Moreover, a new folder can be created easily to save the EML files or a user can use existing folder for this.
Benefit: Saves Migrated Files to Desired Locations.
Free trial is offered. Before you head to purchase the OST 2 EML license, you can try the free trial version. The free demo helps you understand the functionality of the software. It helps you take the decision of purchasing the software. So, get ready to try the OST to EML free trial.
Benefit: Demo Version is Ready.
With this application, no matter which Outlook version OST file you have, you can easily convert OST file to EML. The software supports all Outlook including Outlook 2024, 2021, 2019, 2016, 2013, 2010, 2007, and 2003.
Benefit: Support all Outlook versions.
EML is a standard single-message format (RFC-822). Each export becomes its own .eml file with the body, headers, and attachments inside. Those files open in Thunderbird, Windows Mail, Outlook Express, eM Client, and Apple Mail — so you can move messages out of OST into clients that speak EML.
No. It runs on its own. You don’t need Outlook installed or configured, and Exchange isn’t required either.
Orphaned, disconnected, or inaccessible OST files are fine — conversion works without Exchange or an Outlook profile. Corrupted OST files are different: the tool doesn’t repair corrupt files; it works with healthy OST data. For damaged OSTs, use Softaken OST Recovery first.
Formatting, layout, and content stay intact. Embedded images, document attachments, and inline links travel with each EML file — nothing gets stripped just because you changed format.
Yes. On the export Options tab you can name files by Subject, Date + Subject, From + Subject + Date, or Auto-Incrementing Numbers — pick what keeps the folder readable.
Yes. Standard headers stay with the message — To, From, CC, BCC, and Sent/Received dates included — along with the rest of the content and layout.
Yes. Use Search to find the items you want, including date-range filters, so you export a slice of the mailbox instead of everything.
The free demo scans and previews 100% of mailbox items, and exports up to 10 items per folder to EML so you can check the result first. Full license unlocks unlimited conversion from $49. Available for Windows, Mac, and Linux. There’s no OST file-size cap.
Universal Email Supported: Convert offline OST emails into individual RFC-822 compliant .EML files — 100% supported with Thunderbird, Windows Mail, Outlook Express, eM Client, and Apple Mail.
Complete Attachment Integrity: Preserves all embedded images, document attachments (.pdf, .docx, .zip, etc.), and inline links inside the generated EML files.
Automated File Naming: Organize output EML files using standard naming conventions (Subject, Date + Subject, From + Subject + Date, or Auto-Incrementing Numbers).
Direct Orphaned OST Conversion: Convert inaccessible, disconnected, Exchange-orphaned, or IMAP-cached OST files without requiring Exchange Server connection or profile access.
Windows 11, 10, 8.1, 8, 7 · Mac · Linux
2024, 2021, 2019, 2016 · ANSI / Unicode
10 items / folder
Full from $49
System requirements for Softaken OST to EML Converter on each supported OS.
Desktop installer
Apple desktop build
AppImage & Debian package
| Specification | Details |
|---|---|
| Product Name | Softaken OST to EML Converter |
| Version | 16.0 |
| Input | Offline / orphaned Outlook OST |
| Output Format | EML (RFC-822) |
| OS Supported | Windows 11, 10, 8.1, 8, 7 & Other · macOS · Linux |
| Outlook Supported | 2024, 2021, 2019, 2016, 2013, 2010, 2007, 2003 |
| Prerequisite | No Outlook / Exchange Server required |
| Processor | Any Pentium Class |
| Memory | 512 MB Minimum |
| Hard Disk | 100 MB of free space for software installation |
| Demo | 10 items / folder |
| Delivery | Electronic · Via Email · Minutes: 15 |
| Language / Support | English · Emails, Chat & Skype |
| Platform | Windows · Mac · Linux |
Free Demo version scans, previews 100% of mailbox items, and exports up to 10 items per folder from OST to EML format.
| Feature | Free demo | Full version |
|---|---|---|
| Convert Outlook OST emails to universal EML | Available | Available |
| Orphaned / Exchange-Disconnected OST Support | Available | Available |
| Standalone — No Outlook Required | Available | Available |
| Attachment & inline image preservation | Available | Available |
| Automated File Naming (Subject / Date / From) | Available | Available |
| Date Range Filter & Selective Export | Available | Available |
| Supported on Windows, Mac & Linux | Available | Available |
| Limitation | 10 items / folder | Unlimited |
| Price | FREE | $49 |
Customer feedback on Softaken OST to EML Converter.
Australia
I was looking for a solution to convert OST to EML. I met with your tool and it worked flawlessly to convert all size OST files to EML format. I would like to refer this tool to all the needful users.
Germany
I am a non-technical user and I have not handled any third-party application earlier. I was quite nervous but when I used the software, the whole process seems to be very easy to me. I am thankful to the team for such a comfortable utility.
Germany
A great tool for the users to handle OST to EML Conversion in few minutes. I really found this application easy and simple with many features to make the conversion process easier. The efforts of the team are clearly shown in this utility.
Load an offline or orphaned OST file, preview the mailbox, and save messages as universal EML files for Thunderbird, Windows Mail, and more.
Available for Windows, Mac, and Linux. Pick your OS, then download or buy. Free demo exports 10 items per folder. No Outlook required.
