What Stellar Data Recovery does

Stellar Data Recovery, operating under the legal entity Stellar Information Technology Pvt. Ltd. and US subsidiary Stellar Data Recovery Inc., is a privately held software vendor founded in 1993 (originally as Stellar Phoenix, rebranded to Stellar) that builds data-care utilities for enterprise and individual email environments. The company's product portfolio centers on Exchange, Outlook, and Lotus Notes file formats and includes EDB-to-PST conversion, OST-to-PST conversion, NSF-to-PST conversion, Exchange mailbox migration, mailbox repair, Exchange backup/restore, and mailbox extraction from .vhdx/.bkf backups, sold individually or as the Stellar Toolkit for Exchange bundle.

The underlying technology is a set of proprietary conversion and recovery algorithms that read Exchange database (EDB), Outlook offline storage (OST), and Lotus Notes (NSF) file structures and export them to PST and other formats, with support for Office 365 and Live Exchange targets. Stellar monetizes primarily through perpetual and annual software licenses priced per mailbox ($149 for 50 mailboxes, $199 for 100 mailboxes, $399 lifetime for unlimited), with $7/mailbox migration pricing and tiered volume discounts, supplemented by a freemium trial that lets users save a limited number of items before purchase.

The go-to-market is sales-led: digital distribution through stellarservertools.com with instant download, freemium conversion, an inside sales team reachable via US toll-free, and content marketing via a technical blog and social channels. Customers range from individual users and small businesses (long-tail via e-commerce) to enterprise IT departments (named reference logos include Ericsson, Cisco, IBM, KPMG, Motorola, Coca-Cola, and Manchester United F.C.), with ISO 27001, ISO 9001, and HIPAA certifications positioning the firm for regulated buyers.

Name

Stellar Data Recovery

Legal name

Stellar Information Technology Pvt. Ltd.

Website

https://stellarservertools.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

251–500 employees

Short description

Stellar Data Recovery (Stellar Information Technology Pvt. Ltd.) is a privately held, 30+ year-old software vendor selling data-recovery, conversion, and migration utilities for Microsoft Exchange, Outlook, and Lotus Notes to enterprise IT administrators and individual users globally.

Ownership category

akta.pro rank

Product category

Email Data Recovery and Conversion Software

NAICS

Software Publishers (513210)

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

Backup & Recovery Software (HDABAEAD)

akta.pro secondary industries

Backup & Restore Platforms (Cloud Backup) (HDABAIAB), Backup & DR Software Implementation & Managed Platforms (BPAEALAI), Continuity for SaaS & Cloud Apps (M365/Salesforce Backup) (HDABAIAK)

Keywords

• Email data recovery
• Exchange mailbox migration
• EDB to PST conversion
• OST to PST converter
• Lotus Notes NSF migration

Headquarters

HQ city

Gurugram

HQ country

India

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure

Revenue model

1. Software Licenses: Perpetual software licenses with Corporate and Technician editions. Pricing is per mailbox with tiered volume discounts. Corporate version supports 50-100 mailboxes, Technician version supports unlimited mailboxes.
2. Toolkit Bundles: Bundled toolkits like Stellar Toolkit for Exchange offering 50% discount, combining multiple server tools at reduced pricing compared to individual purchases.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Stellar Data Recovery develops and sells downloadable software utilities for recovering, converting, migrating, and backing up email data across Microsoft Exchange (EDB), Outlook (OST/PST), and IBM Lotus Notes (NSF) environments. Products are licensed per mailbox (Corporate and Technician editions) or sold as part of the Stellar Toolkit for Exchange bundle, with freemium trial conversions converting into paid one-time or annual licenses. The portfolio targets IT administrators and individual users who need to repair corrupt mailboxes, convert EDB/OST/NSF files into PST or Office 365, migrate Exchange mailboxes, or extract data from Exchange backups.

Product overview

Stellar Data Recovery offers a suite of server tools for Exchange, Outlook, and Lotus Notes email platforms. The product portfolio includes Stellar Toolkit for Exchange as the primary platform bundle containing five core tools: Stellar Repair for Exchange (mailbox repair), Stellar Converter for EDB (EDB to PST conversion), Stellar Converter for OST (OST to PST conversion), Stellar Converter for NSF (Lotus Notes to Outlook migration), Stellar Migrator for MS Exchange (mailbox migration), Stellar Mailbox Extractor for Exchange Backup, and Stellar Exchange Server Backup. These products work together to help IT administrators recover, convert, migrate, and backup email data across Microsoft Exchange, Outlook, and IBM Lotus Notes environments.

Differentiator

Problem solved

Functional benefit

Products and services

• Stellar Converter for EDB Standalone software that converts Microsoft Exchange database (EDB) files into Outlook-importable PST format, supporting both online and offline EDB sources, Unicode mailboxes, and direct export to Office 365 and Live Exchange Server. Designed for IT administrators and organizations recovering from EDB corruption or migrating Exchange data.
• Stellar Converter for OST Standalone software that converts Outlook offline storage table (OST) files into PST format, including encrypted OST files; the Technician edition adds batch conversion and direct export to Office 365 and Exchange Server. Designed for individual users, IT staff, and service providers needing to recover or migrate Outlook data.
• Stellar Converter for NSF Standalone software that converts IBM Lotus Notes NSF databases into Outlook PST and other formats (MSG, EML, RTF, HTML, PDF), with selective conversion and support for Lotus Notes versions 6.0 through 10.0.1. Targeted at organizations migrating from Lotus Notes to Microsoft Exchange or Outlook.
• Stellar Migrator for MS Exchange Standalone software that migrates mailboxes between Exchange servers, from Exchange to Microsoft 365, and between Microsoft 365 tenants, supporting cutover, staged, hybrid, cross-forest, and cross-domain migration scenarios. Built for IT administrators consolidating or moving Exchange estates.
• Stellar Repair for Exchange Standalone mailbox repair software that recovers emails, contacts, attachments, calendars, tasks, notes, and journals from corrupted Microsoft Exchange database (EDB) files. Supports Exchange 2016, 2013, 2010, 2007, and earlier versions, aimed at administrators executing disaster recovery.
• Stellar Mailbox Extractor for Exchange Backup Standalone software that extracts mailboxes from Exchange .vhdx and .bkf backup files for restoration or migration use. Targeted at administrators who maintain Exchange backup archives.
• Stellar Exchange Server Backup Standalone backup and restore software for Microsoft Exchange Server mailbox databases, enabling scheduled Exchange backups and later granular recovery. Designed for IT administrators responsible for Exchange data protection.
• Stellar Toolkit for Exchange Bundled software package combining five Exchange server tools (Repair for Exchange, Converter for EDB, Converter for OST, Mailbox Extractor for Exchange Backup, and Exchange Server Backup) at a 50% discount versus buying individually. Marketed primarily toward Exchange administrators seeking an all-in-one recovery, conversion, and backup suite.

Quantifiable outcome

• Converts OST files to PST with 100% data integrity preservation
• +1 more outcomes

Named customers4 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature4 records

Partnerships

One partnership is on record.

• Enterprise Customers (Ericsson, Cisco, IBM, KPMG, Motorola, Coca-Cola)flagshipOthersMajor enterprise organizations using Stellar server tools for Exchange and Outlook email recovery and migration needs. Customer logos displayed as reference clients demonstrating enterprise-grade reliability.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• SysTools Software: India-based software vendor offering direct EDB-to-PST, OST-to-PST, NSF-to-PST, and Exchange migration utilities. Closest head-to-head competitor to Stellar's exact product wedge, with overlapping perpetual-license pricing and India R&D footprint.
• Kernel Data Recovery: Direct competitor in email and database recovery tools (OST/PST/EDB/NSF converters) with similar perpetual-license pricing, freemium trials, and target buyer (SMB/IT admin). Overlaps almost fully with Stellar's product portfolio.
• BitTitan (Netwrix Migration): Migration platform (MSPComplete / MigrationWiz) widely used for Exchange-to-M365 and tenant-to-tenant migrations. Competes with Stellar Migrator for MS Exchange on the same migration use cases for IT admins and managed service providers.
• Quest Software (On Demand Recovery / Migrator): Long-established vendor of On Demand Recovery for Exchange and Notes-to-Exchange migration tools targeting the same enterprise IT admin persona. Comparable product features for EDB repair, OST recovery, and cross-forest Exchange migrations.
• Ontrack (KLDiscovery): Global data recovery services and software provider. Comparable as a 30+ year data-recovery brand serving both consumer/email recovery and enterprise recovery needs, with overlap on Exchange/Outlook file recovery.
• CodeTwo: Vendor of Office 365 and Exchange migration, backup, and signature-management software. Competes with Stellar in the Exchange-to-M365 migration and email backup use cases, particularly for IT admins and managed service providers.
• RecoveryTools Software: Specialist vendor of EDB/OST/PST/NSF conversion and migration tools with similar per-mailbox licensing and freemium trials. Comparable as a feature-comparable alternative in the same SMB/IT-admin segment.

Broad incumbents

• Veeam Software: Market-leading data protection and backup vendor with broad Exchange, Microsoft 365, and VM backup coverage. Overlaps with Stellar on Exchange mailbox backup/recovery at the enterprise level but operates as a much larger, broader incumbent.
• Druva: Cloud-native SaaS data protection platform covering Microsoft 365, Exchange Online, and broader SaaS/endpoint workloads. Represents the cloud subscription model that competes for the same IT admin buyer wallet, but at significantly larger scale.

Emerging players

• Shoviv Software: India-based email migration and recovery tools vendor (EDB/OST/PST/NSF converters and Exchange migrator). Niche competitor with meaningful overlap on the same conversion use cases Stellar serves, typically at lower price points.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks1 record

Key highlights7 records

Customer concentration

• Xtwitter.com/stellarinfo
• YouTubeyoutube.com/c/stellardatarecovery
• Facebookfacebook.com/stellardata
• LinkedInlinkedin.com/company/stellardatarecovery

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Stellar Data Recovery