That depends on your license. The Standard license is for one PC. Corporate covers up to 20 systems, and Technician covers unlimited installations within one organisation.

Beyond PST, you can export to EML, MSG, RTF, HTML, PDF (Technician edition), or even migrate directly into an Office 365 account.

Easy license management portals for enterprises to view and allocate seats.

Pirated keys and cracks: Using unofficial keys or cracked installers may temporarily unlock features but exposes users to malware, corrupt conversions, and legal exposure. Pirated software often lacks updates and vendor support.

Subscribing to the official Stellar newsletter often grants an immediate first-time buyer discount code sent directly to your inbox. Step-by-Step: How to Activate Stellar Converter for MBOX

Ideal for single users needing to convert MBOX to PST.

Stellar offers different licensing tiers based on your specific requirements:

: To prevent performance issues in Outlook, the software can automatically split PST files when they reach a user-defined size (typically around 45GB). For large-scale migrations, a built-in "Find" feature can search your entire system to locate MBOX files when their exact location is unknown.

| Edition | Ideal For | Key Capabilities | Pricing | | :--- | :--- | :--- | :--- | | | Evaluation | Preview emails, attachments, and folder hierarchy. Saves up to 5 items from each folder. | Free | | Corporate (1-Year) | One-off migrations, Single-system use | Convert MBOX to PST, EML, and MSG. Includes all core features. | $39 (One-time) | | Technician (1-Year) | Professional use, Multiple migrations, IT departments | Includes all Corporate features plus export to Office 365, RTF, PDF, and HTML formats. | $199 (One-time) |

and the ability to save converted files in PDF, HTML, and RTF formats. Online Version (~$19.99)

Before paying full price, look closely at the official Stellar website. They frequently offer seasonal discounts, bundle offers, or promotional codes for first-time buyers. Purchasing officially ensures you receive: A 100% genuine and secure activation key. Lifetime or subscription-based software updates. Secure payment processing.

Preserves every email element: sender, recipient, date, subject, attachments, folder structure, calendars, contacts, notes, and even journal entries. Users and experts repeatedly highlight that Stellar “converts 100% of emails into PST without any change”.