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Office 365 Tenant to Tenant Migration Tool

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Key Features of Microsoft 365 Tenant to Tenant Migration Tool

  • Migrate Exchange Online mailboxes, SharePoint sites, OneDrive accounts, and Microsoft Teams data between Microsoft 365 tenants.
  • Copy Microsoft Teams folder hierarchy, files, and metadata from the source tenant to the destination.
  • Built-in email, SharePoint, and OneDrive deduplication efficiently remove duplicate data.
  • Support Modern Authentication and Azure App Registration for secure Microsoft 365 connectivity.
  • Perform incremental migrations by skipping previously migrated data during repeated migration sessions.
  • Monitor active migration tasks with real-time progress tracking and detailed migration statistics.
  • Generate comprehensive migration reports for auditing, verification, and compliance documentation.
  • Flexible mailbox, SharePoint, and OneDrive mapping for complex enterprise migration scenarios.
  • Filter migration data using date range, file size, and file extension options.
  • Demo version migrates 500 emails, 100 contacts, and 100 calendar items per user.
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Why Choose DRS Softech Cross Tenant Migration Tool?

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Mergers and Acquisitions (M&A)

Simplify Microsoft 365 tenant consolidation during mergers and acquisitions by securely migrating Exchange Online mailboxes, SharePoint Online sites, OneDrive for Business accounts, and Microsoft Teams data into a single tenant. Centralize organizational data, streamline IT administration, reduce migration complexity, and ensure business continuity throughout the entire migration process.

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Large-Scale Enterprise Tenant Migration

Whether migrating a few users or thousands of Microsoft 365 accounts, the software simplifies large-scale tenant-to-tenant migrations with flexible mailbox, SharePoint, and OneDrive mapping. Incremental migration, advanced filtering, and real-time task monitoring help IT teams complete projects faster while minimizing manual effort and maintaining complete migration visibility.

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Migration and Deduplication in a Single Solution

Unlike traditional migration tools, DRS Softech combines Microsoft 365 tenant migration with built-in Email, SharePoint, and OneDrive deduplication. Eliminate duplicate data, reclaim cloud storage, monitor migration progress in real time, and generate comprehensive reports for verification and compliance. Security & reliability, Enterprise scalability, and Built-in deduplication.

One Platform for Complete Tenant to Tenant Migrator Control

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Complete Microsoft 365 Tenant Migration

Instead of using separate utilities for Exchange Online, SharePoint Online, and OneDrive, this software combines all Microsoft 365 migration workloads into a single platform. Administrators can migrate mailbox data, SharePoint sites, and OneDrive accounts from one dashboard, reducing complexity and saving valuable migration time.

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Microsoft Teams Data Migration

The Copy Teams module migrates public and private Teams channels, channel messages, files, connected apps, and tabs to the destination tenant using the Microsoft Graph Migration API, with one-to-one user mapping to keep ownership and membership accurate. Microsoft Planner content linked to a team, including plans, buckets, tasks, and checklists, is included in the same migration pass.

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Built-in Microsoft 365 Deduplication

Remove duplicate emails, SharePoint files, and OneDrive data from Microsoft 365 using a single integrated deduplication solution. Detect duplicates with advanced matching options, retain the preferred file version, preview results before deletion, and reclaim valuable cloud storage while maintaining organized, clutter-free Microsoft 365 environments.

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Secure Authentication with Microsoft Standards

The software supports Modern Authentication and Admin Impersonation, which allow administrators to connect using Microsoft-recommended security protocols. It fully supports Multi-Factor Authentication (MFA) and Microsoft Graph API permissions to ensure every migration is secure, compliant, and reliable.

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Intelligent Incremental Migration

Large Microsoft 365 migrations often require multiple migration sessions. The built-in Skip Previously Migrated feature automatically detects data that has already been transferred and migrates only newly added items. For example, if a mailbox contains 100 GB of data and 60 GB has already been migrated during a previous migration session, the software automatically processes only the remaining 40 GB.

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Flexible Mailbox and Site Mapping

Organizations rarely migrate data using simple one-to-one relationships. The Office 365 Tenant to Tenant Migration Tool supports One-to-One, One-to-Many, Many-to-One, and Many-to-Many mapping for mailboxes, SharePoint sites, and OneDrive accounts. This flexibility makes it suitable for mergers, acquisitions, tenant consolidation, and departmental restructuring.

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Advanced Migration Filters

Not every migration requires moving all available data. The software lets administrators migrate only what they need using multiple filtering options, including Date Range, File Size, File Extension, Content Type, Created Date, Modified Date, Duplicate Detection, and more. These filters reduce unnecessary data transfer and help organizations complete migrations faster.

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Detailed Reports and Real-Time Monitoring

Every migration task is recorded automatically. The Active Tasks dashboard displays real-time progress, while the All Reports module provides detailed migration summaries, skipped items, failed items, transferred data, timestamps, and completion status. These reports simplify migration validation and support compliance requirements.

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Microsoft Graph API-Powered Migration

Built on Microsoft Graph API, the software delivers secure, reliable, and scalable Microsoft 365 tenant-to-tenant migrations. It provides direct access to Exchange Online, SharePoint Online, and OneDrive for Business, preserves folder hierarchy and essential metadata, and ensures consistent, enterprise-ready data transfers.

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System Compatibility and Free Demo Version

Compatible with all major Windows operating systems, the software lets you evaluate its capabilities using the free demo version. Migrate up to 500 emails per folder, 100 contacts, and 100 calendar items per selected user. For SharePoint and OneDrive, the demo previews migration with applicable file size and list limitations before upgrading.

Comparison: Free vs Full Version of Microsoft 365 Cross Tenant Migration

Software Features Free Version Full Version
Migrate Exchange Online Mailboxes 500 Emails per Folder, 100 Contacts & 100 Calendar Items per User
Migrate SharePoint Online Sites Preview with Demo Limitations
Migrate OneDrive for Business Accounts Preview with Demo Limitations
Email, SharePoint & OneDrive Deduplication Preview Only
Migrate Microsoft Teams Data Preview with Demo Limitations
Modern Authentication & Azure App Registration
Mailbox, SharePoint & OneDrive Mapping
Incremental Migration (Skip Previously Migrated)
Date Range, File Size & File Extension Filters
Custom Folder & Advanced Migration Settings
Active Tasks & Real-Time Progress Monitoring
Migration & Deduplication Reports
Compatible with All Supported Windows Versions
24×7 Technical Support
Download & Purchase Download Now Purchase Now

System Specification

System Requirement System Requirement for Windows
Operating System: Windows OS 11, 10, 8.1, 8, 7, Vista, XP, 2000, 95, NT, and all others.
Processor: Intel® Core™2 Duo E4600 Processor 2.40GHz
RAM: Minimum 4 GB of RAM is required (8 GB recommended).
Hard Disk Space: 1 GB is needed to install the tool, and at least 20 GB of free space is required to save data.
Platforms: Windows 11, 10, Windows Server 2016+, Windows Server 2019, Windows Server 2022
About Software About Software
Version: 26.08
Size: 239 MB
Language Supported: English
Licence Type: Home | Admin | Technical | Enterprise
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Software Guide
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Additional Information Additional Information
If the software is unable to run or complete the migration, temporarily disable your antivirus or add the application to the antivirus exclusion list. Once the migration is complete, you can safely re-enable your antivirus protection.
Avoid using shared network locations such as NAS, SAN, LAN, or WAN as the source or destination path. For optimal performance, ensure the source data and destination folder are located on the same local machine.
If Windows Defender blocks the installation, especially on Windows 10 or later, temporarily disable Real-time Protection by following these steps:
  • Open Settings.
  • Navigate to Update & Security.
  • Select Windows Security.
  • Open Virus & Threat Protection.
  • Click Manage Settings.
  • Turn Real-time Protection off temporarily.
  • Install or run the software, then re-enable Real-time Protection after the process is complete.
The software requires an active internet connection during installation to verify the installer, validate the license (if applicable), and complete the setup process
Demo Version:
DRS Softech Microsoft 365 Tenant to Tenant Migration demo has a limit of migrating 500 emails from each folder, 100 contacts, and 100 events per mailbox. It skips over any files larger than 20 MB on SharePoint or OneDrive and allows for 5 list items to be migrated from each SharePoint list. Additionally, this trial version allows you to preview duplicates but does not give you the ability to delete them. The number of mailboxes and OneDrive items that can be moved over is limited by the user, while the number of SharePoint items that can be migrated is limited by the site. For complete access, upgrade to the premium versions.

Frequently Asked Questions

The software uses hash-based scanning to compare file content rather than just filenames. This ensures accurate duplicate detection, even when duplicate files have different names or are stored in different folders.
Yes. DRS Softech combines Microsoft 365 Tenant-to-Tenant Migration with dedicated Email, OneDrive, and SharePoint Deduplication modules in a single application. This eliminates the need for separate tools and streamlines Microsoft 365 tenant management.
For cross-tenant Microsoft 365 mailbox migration, Global Administrator access is required for both the source and destination tenants. This is a Microsoft requirement, not a limitation of the software. The tool uses OAuth authentication with admin consent to obtain the necessary Microsoft Graph API permissions, allowing it to perform secure mailbox migration.
No. The software does not store your Microsoft 365 credentials. It uses Microsoft's secure OAuth authentication protocol to establish a connection with your tenant. Since the tool runs locally on your desktop, your authentication remains secure, and your credentials are not saved or transmitted to external servers.
No. The Email Deduplication module performs server-side scanning directly against Microsoft 365 mailboxes using authenticated access. It identifies duplicate emails without creating or downloading PST/OST files, reducing processing time, minimizing storage overhead, and streamlining mailbox management.
The Mailbox Mapping interface displays the source mailboxes, the connected destination tenant, and the mapping status of each mailbox. It also provides a count of mapped and unmapped mailboxes, which allows administrators to validate all mappings before migration.
The Copy OneDrive module migrates all files and their latest available versions from the source OneDrive for Business account while preserving the original folder and file hierarchy. The migration is performed using the latest Microsoft Graph API. However, permissions, workflows, external sharing links, guest user mappings, and blob storage are not migrated, as these are not supported by the Microsoft Graph API for cross-tenant migration.
Yes. The Skip Previously Migrated Files option allows incremental migration by detecting already migrated data and transferring only new or updated items. For example, if 100 GB of SharePoint data was migrated earlier and 60 GB is already transferred, the software migrates only the remaining 40 GB, reducing migration time and avoiding duplicate data transfer.
Yes. The Copy Teams module migrates both private and public channels, along with their files, messages, apps, and tabs, using the Microsoft Graph Migration API with one-to-one user mapping between tenants.
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Customer Testimonials

See how IT professionals and organizations rely on the DRS Softech Office 365 Tenant to Tenant Migration Tool for secure, efficient, and accurate Microsoft 365 cross tenant migrations.

"We used the DRS Softech T2T Migration Tool during our company merger project. The biggest challenge was moving hundreds of user mailboxes along with SharePoint and OneDrive data without affecting daily operations. The mailbox mapping and incremental migration features helped us complete the migration smoothly. The detailed reports were very useful for validating the migrated data."

- Michael R.
IT Administrator

"After evaluating multiple Microsoft 365 migration solutions, we selected DRS Softech because it provided all required migration options in one place. We migrated Exchange Online mailboxes, SharePoint sites, and OneDrive accounts between tenants successfully. The interface was simple, and the real-time progress tracking helped our team monitor the migration status easily."

- Daniel W.
Microsoft 365 Consultant

"Our organization needed to consolidate two Microsoft 365 tenants after an acquisition. DRS Softech Microsoft 365 Tenant to Tenant Migration Tool made the process much easier with flexible user mapping and incremental migration support. We were able to migrate required data in multiple phases without transferring the same items repeatedly."

- Sarah M.
Cloud Infrastructure Manager

"The built-in deduplication feature was a major advantage for us. Along with tenant migration, we were able to identify and remove duplicate emails and cloud files. The migration reports provided complete visibility into transferred, skipped, and failed items, which helped during final verification."

- James T.
System Administrator

"We were looking for a reliable Microsoft 365 tenant migration tool that supports modern authentication and secure connections. DRS Softech worked well with our Microsoft 365 environment. The setup process was straightforward, and the technical documentation helped us configure the migration quickly."

- Robert K.
IT Operations Lead
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