Stellar Converter for OST Technician
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence
Stellar Converter for OST Technician - Original licence

Stellar Converter for OST Technician - Original licence

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Buy the Stellar Converter for OST Technician licence on Mr Key Shop: original product key for IT admins and MSPs, free technical support and a money-back guarantee

 

Delivery information 

The Stellar Converter for OST Technician product key will be delivered via email within 6–12 hours of purchase, along with full instructions for download and activation.

 

Stellar Converter for OST Technician licence: not one mailbox at a time, but all the organisation’s mailboxes in a single migration cycle

With the Stellar Converter for OST Technician licence, you can work on an unlimited number of mailboxes.

When a company decommissions an on-premises Exchange infrastructure to migrate to Microsoft 365, or when an organisation needs to recover the mailboxes of dozens of users following an unplanned server decommissioning, the challenge is not converting a single OST file. The challenge is to convert dozens or hundreds of OST files simultaneously, transfer the data directly into Microsoft 365 mailboxes without creating intermediate PST files that need to be managed manually, and ensure that the resulting PST files do not exceed the size limit that causes corruption in Outlook – all in a single operation, without having to open the software dozens of times.

Stellar Converter for OST Technician is designed precisely for this scenario. Compared to the Corporate version, which supports up to 5 mailboxes and produces PST files to be manually imported into Outlook, the Technician version has no limits on the number of mailboxes that can be converted, adds simultaneous batch conversion of multiple OST files in a single process, allows direct export to Office 365 mailboxes and Live Exchange Server without intermediate steps, and includes advanced PST split and compact functions to correctly manage large files. It is the tool for IT administrators, system integrators and MSPs who manage large-scale enterprise migrations, not occasional conversions.

 

Key features of Stellar Converter for OST Technician at a glance

Area

Features

Unlimited mailboxes

No limit on the number of OST files that can be converted, suitable for corporate migrations of any size

Batch conversion

Simultaneous conversion of multiple OST files to corresponding PST files in a single run, without opening and processing one file at a time

Direct Office 365 export

Export of OST content directly to active Office 365 / Microsoft 365 mailboxes, without an intermediate PST file

Direct Live Exchange export

Direct export to on-premises Exchange Server mailboxes, migration without temporary files

Export to an existing Outlook profile

Direct import of OST data into an active Outlook profile on the PC

Automatic PST split

Automatic splitting of the generated PST file by size (1–50 GB), date or email ID, preventing PST corruption due to oversizing

Compact PST

Reduction of PST file size by extracting attachments to a separate folder whilst retaining links, optimisation of Outlook performance

Additional formats

Export to MBOX and DBX, formats not available in the Corporate version, in addition to PST, EML, MSG, RTF, HTML, PDF

Advanced filters

Inclusion or exclusion of emails and items by date, sender, subject or folder; selective conversion for partial migrations

All features of the Corporate version

Orphaned, encrypted, IMAP, Exchange, Microsoft 365 OSTs; deleted items; unlimited preview; search; DAT scan saving; files up to 50 GB

 

Stellar Converter for OST Technician by the numbers

  • Unlimited mailboxes, no limit on the number of OSTs that can be converted
  • Simultaneous batch conversion of multiple OST files in a single process
  • Direct export to Office 365, Live Exchange and existing Outlook profiles
  • Split PST by size (1–50 GB), date or email ID
  • Compact PST with attachment extraction and link preservation
  • 8 export formats: PST, EML, MSG, RTF, HTML, PDF, MBOX, DBX
  • Encrypted and orphaned OSTs supported without the original profile
  • Deleted items recovered during conversion
  • OST files up to 50 GB with no size limitations
  • Outlook 2007–2021 and Microsoft 365
  • Windows: 7, 8, 8.1, 10, 11
  • Product key delivery: within 6–12 hours of purchase

 

Why buy the Stellar Converter for OST Technician licence from Mr Key Shop

Every licence in the Mr Key Shop catalogue is genuine, verifiable via official Stellar channels, with free technical support in Italian and immediate delivery. The Stellar Converter for OST Technician product key is delivered by email within 6–12 hours, along with full instructions. Checkout is secure and protected by SSL encryption: PayPal with interest-free payment in 3 instalments, Stripe, Amazon Pay, Apple Pay, Google Pay, and credit and debit cards. Trusted Shops certification with purchase protection up to €2,500 and an ‘Excellent’ rating on Trustpilot guarantee reliability verified by customers across Europe.

Stellar Converter for OST Technician is the central tool for any Exchange → Microsoft 365 migration project; it is worth ensuring the entire stack is covered with certified tools. The Windows 11 Pro licence brings Secure Boot, BitLocker and Group Policy to migration workstations – the enterprise features essential for managing corporate email data securely and in compliance. For administration workstations still running Windows 10, the Windows 10 Pro product key ensures a well-established and long-lasting platform, compatible with all versions of Outlook supported by Technician. The natural destination for direct export from Stellar Converter for OST Technician is Microsoft 365 Business Premium, Exchange Online, Teams, Microsoft Defender and Intune on a single cloud platform to which migrated mailboxes are delivered directly without intermediate PST files. The Office 2024 Professional Plus licence includes Outlook 2024 for verifying PST files and managing migrated mailboxes, along with the full productivity suite for IT administrators. Remote migration sessions to Exchange servers and Microsoft 365 tenants are more secure with HMA VPN, traffic encryption essential for those accessing corporate email infrastructure from external networks or whilst working remotely. For technical documentation of migration procedures, reports, project minutes and PDF checklists, Nitro PDF offers conversion, editing and digital signing with a lifetime licence. Those who analyse the volumes of migrated mailboxes and generate reports on the migration status will find in Power BI Premium the Microsoft tool for dashboards and operational data analysis. Organisations with technical design environments alongside their Exchange infrastructure will find the Autodesk PDMC Collection Commercial licence the product lifecycle management suite, with critical business data to be protected with the same care as email. Purchase, receive the product key via email, activate: no postage, no packaging.

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System requirements for Stellar Converter for OST Technician

Requirement

Specifications

Operating System

Windows 11, 10, 8.1, 8, 7

Processor

Intel compatible (x86, x64)

RAM

4 GB minimum (8 GB recommended for batch conversion and large OST files)

Disk space

Sufficient space for installation and for the generated PST files

Microsoft Outlook

Outlook 2007–2021, Microsoft 365, required for saving PST files and exporting to an existing Outlook profile

For Office 365/Exchange export

Credentials and access permissions for the destination mailboxes

Internet connection

Required for activation, updates and export to Office 365

Licence

Standard single device; Bulk Licensing available for 5, 10, 25, 50, 100, 200, 500 devices

Notes

Exchange Server does not need to be running for the conversion. The software does not modify the original OST file during the process

Download Stellar Converter for OST Technician: batch conversion and export of Office 365 on Windows 7–11

Stellar Converter for OST Technician is available for direct download from stellarinfo.com. The software requires Windows 7, 8, 8.1, 10 or 11. Microsoft Outlook must be installed on the system, from version 2007 up to Outlook 2021 and Microsoft 365, for saving in PST format and for exporting to existing Outlook profiles. For direct export to Office 365 or Live Exchange, credentials and access permissions to the destination mailboxes are required.

Install Stellar Converter for OST Technician: batch mode and advanced options available at launch

To install Stellar Converter for OST Technician:

  • Download the installation file from stellarinfo.com
  • Double-click the .exe file and accept any UAC prompts
  • Follow the wizard: Next → Accept the licence agreement → choose the folder → Install
  • On launch, select the operating mode: single OST file for one-off conversions, or Batch Conversion to process multiple OST files simultaneously
  • To export to Office 365 or Exchange, enter the destination account credentials in the dedicated section

The advanced options – Split PST, Compact PST, and choice of MBOX or DBX format – are accessible on the save screen after conversion.

Activate Stellar Converter for OST Technician: unlimited mailboxes, batch processing and Office 365 unlocked

To activate Stellar Converter for OST Technician:

  • Open the software and go to the Activation section
  • Enter the product key received via email from Mr Key Shop
  • Complete the online verification in a few seconds

With the licence activated, the following features are available without restrictions: conversion of unlimited mailboxes, simultaneous batch conversion, direct export to Office 365 and Live Exchange, split and compact PST, and saving in all 8 supported formats including MBOX and DBX. File the product key in your project documentation: the Technician licence can also be purchased in bulk for multiple devices.

Frequently Asked Questions about Stellar Converter for OST Technician

  • What is Stellar Converter for OST Technician? 

Stellar Converter for OST Technician is the advanced version of Stellar’s OST conversion tool, designed for IT administrators, system integrators and MSPs. Compared to the Corporate version, it adds unlimited mailboxes, simultaneous batch conversion of multiple OST files, direct export to Office 365 and Live Exchange Server without intermediate PST creation, automatic PST split and compact features, and support for MBOX and DBX formats. It supports Outlook 2007-2021 and Microsoft 365 on Windows 7-11.

  • What is the difference between Technician and Corporate?

Features

Corporate

Technician

Convert OST to PST, EML, MSG, RTF, HTML, PDF

Convertible mailboxes

Up to 5

Unlimited

Encrypted and orphaned OST files

Unlimited preview

Deleted items recovered

Simultaneous batch conversion

PST split by size/date/email ID

Compact PST

Direct Office 365 export

Direct Live Exchange export

Export to existing Outlook profile

MBOX and DBX formats

  • How does batch conversion work? 

Batch conversion allows you to add multiple OST files in a single session and start simultaneous conversion of all of them into corresponding PST files. It is the key feature for enterprise migrations where dozens or hundreds of users have orphaned OST files to convert: instead of processing one file at a time, the Technician version manages the entire set in parallel, drastically reducing operational times.

  • How does direct export to Office 365 work? 

After conversion, instead of saving a PST file for manual import, you can select Office 365 as the destination, enter the destination account credentials and start the direct transfer. Data arrives in the Microsoft 365 mailbox with the original folder structure fully preserved, without intermediate steps. This feature is available exclusively in the Technician version.

  • Why is automatic PST split important? 

A PST file exceeding 2 GB in Outlook 2002/2003 or 20-50 GB in later versions may become unstable and corrupted. The split function automatically divides the generated PST into smaller archives, by size (1-50 GB), date or email ID, preventing corruption caused by oversized files and improving Outlook performance.

  • Does Stellar Converter for OST Technician support OST files from Microsoft 365? 

Yes. The software converts OST files created by Outlook with on-premise Exchange profiles, IMAP and Microsoft 365, including orphaned OST files after a Microsoft 365 account has been decommissioned.

  • Can the Technician license be installed on multiple PCs? 

The standard Technician license is for a single device. However, Stellar offers Bulk Licensing for Technician editions: licenses can be purchased for 1, 5, 10, 25, 50, 100, 200 or 500 devices, ideal for MSPs and IT departments managing multiple migration workstations.

  • When should you NOT choose the Technician version? 

If you only need to convert up to 5 mailboxes without requirements for batch conversion or direct export to Office 365, the Corporate version is sufficient at a lower cost. If you need a complete suite including PST repair, archive merging, deduplication and other Outlook tools, consider the Toolkit version.

  • How does Stellar Converter for OST Technician compare with its main competitors?

Criterion

Stellar Converter for OST Technician

Kernel OST to PST

SysTools OST Recovery

Unlimited mailboxes

Simultaneous batch conversion

Partial

Direct Office 365 export

Direct Live Exchange export

Partial

Automatic PST split

Partial

Compact PST

Partial

MBOX and DBX

Partial

Search in pre-conversion mailbox

Partial

Bulk Licensing available

Italian interface

Partial

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