Office 365 Import Tool is an advanced, enterprise-grade software designed to seamlessly migrate Outlook PST files directly into Office 365 mailboxes. Built for both IT administrators managing bulk migrations and individuals moving personal data, this tool eliminates the complexity of cloud onboarding. It provides a fast, highly secure, and automated pathway to move emails, contacts, calendars, tasks, and notes to Office 365 without data loss or downtime.

Powered by Microsoft’s Graph API and OAuth 2.0 authentication, the software ensures bank-level security by facilitating password-free connections. Whether you need to import data into primary user mailboxes, shared mailboxes, or In-Place Archives, the Office 365 Import Tool offers unparalleled control and accuracy.

Key Features & Capabilities

• Bulk & Admin Migration: Using an Office 365 Administrator account, IT teams can map and migrate multiple PST files to their corresponding user mailboxes simultaneously, bypassing standard throttling limits.

• Incremental Import (No Duplicates): If a migration session is paused or interrupted, the smart Delta Sync feature automatically detects and skips already-migrated items upon restart, saving storage space and preventing duplicate data.

• Granular Data Filtering: Migrate exactly what you need. Users can apply date-range filters and select specific item categories (e.g., only emails and calendars) to streamline the upload process.

• Custom Folder Selection: Maintain total control over your mailbox hierarchy. Use the "Include Folder" option to migrate specific folders, or easily exclude unnecessary folders like "Deleted Items" or "Junk Email".

• 100% Data Integrity: The software forensically preserves your original folder structure, email formatting, metadata (To, Cc, Bcc, Subject), and read/unread statuses during the transition.

• Comprehensive Audit Reports: Upon completion, the tool generates a detailed log report tracking successfully migrated items, skipped files, and any errors encountered for compliance and auditing.

Who is this for?

The software is perfectly suited for IT Administrators, Managed Service Providers (MSPs), and enterprise organizations executing large-scale legacy data migrations, as well as individual users moving from desktop Outlook to the cloud.

Technical Specifications

• Supported Input: Microsoft Outlook PST files (Outlook 2024, 2021, 2019, 2016, 2013, 2010, and older).

• Supported Destinations: Office 365 / Microsoft 365 (Primary Mailboxes, Shared Mailboxes, In-Place Archives, Public Folders).

• Operating System Compatibility:

  • Windows: Windows 11, 10, 8.1, 8, 7.

  • Windows Server: 2025, 2022, 2019, 2016.

  • macOS: macOS 11 (Big Sur) and later editions.

• System Requirements: 1 GHz processor, 8 GB RAM, and a minimum of 50 MB free hard disk space.