DRS Softech Email Migration Tool for Multiple Email Clients

Q: How can I avoid entering IMAP account credentials repeatedly for recurring migration projects?

The software provides a Load from Saved Accounts option that stores previously configured IMAP connection details. Administrators can quickly select saved mailbox profiles, validate the connection, and continue the migration process. To save account details, user consent and permission are required during the initial configuration.

Q: How can I resume an interrupted migration without reprocessing existing mailbox data?

By enabling the Skip Previously Migrated feature, the software can continue from the last successful migration point and avoid transferring mailbox items that were already migrated before the interruption.

Q: What methods are available for tracking active migration jobs?

The Active Tasks module provides real-time visibility into ongoing migration operations, allowing administrators to monitor progress and migration status.

Why Choose DRS Softech Mailbox Migration Tool?

PST/OST and IMAP Migration in One Tool

The software offers two powerful migration modes to handle different scenarios with ease. PST/OST Migration allows you to load and migrate local Outlook PST files, while IMAP Migration enables direct transfer from IMAP-enabled accounts such as Gmail, Yahoo Mail, and corporate servers.

Advanced Filtering for Targeted Migration

Gain complete control over your migration process with a multi-layered filtering system. You can define date ranges, item types, attachment handling, duplicate removal, and folder mapping to migrate only the data you need. This ensures the final output is clean, well-organized, and aligned with your specific requirements.

Bulk Email Migration for Enterprise and IT Teams

Designed for large-scale environments, the tool supports Modern Authentication and Client Secret methods for secure Office 365 migrations. With Admin Login, you can perform tenant-wide migrations, while Single Login allows individual mailbox transfers. The IMAP Batch/CSV feature enables administrators to process hundreds of accounts in one go.

Advanced Key Features of the DRS Softech Email Migration Tool

PST/OST Migration with Flexible File Loading

Easily migrate single or multiple PST/OST files using the Select File or Select Folder options. The tool displays complete file details, enabling precise selection and smooth bulk processing for both small migrations and large-scale Outlook archive transfers.

IMAP Migration with Single and Bulk Account Support

Connect to any IMAP-enabled mailbox and migrate data securely. Use Single Account mode for individual transfers or Batch/CSV mode to process multiple accounts simultaneously, ensuring efficient migration across enterprise-level environments.

Full Preview Panel with Advanced Email Search

Preview complete mailbox data, including folder hierarchy and email content, before migration. Use smart search filters like Subject, From, and To to locate specific emails, ensuring accurate data selection and verification prior to initiating migration.

Multiple Destination Options: File and Email Platforms

Convert PST to PDF, PST, or transfer directly to platforms like Office 365 and Outlook. Both options support full filtering capabilities, providing flexibility to choose the most suitable migration destination based on user requirements.

Secure Office 365 Migration with Flexible Authentication

Supports Modern Authentication and Client Secret login for secure Office 365 access. Admin Login enables tenant-wide migration, while Single Login supports individual mailbox transfers, offering flexibility for both enterprise administrators and personal users.

Advanced Filtering for Controlled Data Migration

Apply filters such as date range, item types (email, contact, calendar, and task), folder mapping, and more to migrate only the required data. This ensures a clean, organized output while eliminating unnecessary or irrelevant information during the migration process.

Attachment Management and Duplicate Removal

Choose to include or skip attachments based on requirements. The built-in duplicate removal feature detects and eliminates repeated emails using multiple parameters, ensuring a clean and clutter-free migration output without manual intervention.

Export Contacts and Calendar in Standard Formats

This tool offers two main options: Save contacts as VCF files and calendar entries as ICS format during migration. These widely supported formats allow easy access, sharing, and import into various email clients and applications without compatibility issues.

Split PST for Optimized File Management

Define a maximum PST size to automatically split large output files into smaller segments. This Mailbox Migration Tool prevents performance issues in Outlook and ensures easier storage, transfer, and long-term management of migrated data.

Incremental Migration with Skip Previously Migrated Option

Avoid duplicate data transfers by enabling the Skip Previously Migrated feature. It supports incremental migration workflows by processing only new or updated data, saving time, reducing system load, and improving overall efficiency.

Multiple License Options for Flexible Deployment

Available in Single User, Administrator, Technician, and Enterprise licenses, the software meets diverse needs. Whether for individuals or IT service providers, users can choose a plan that fits their migration scale and operational requirements.

Detailed Reports and Real-Time Task Monitoring

Track every migration with complete reports, including item counts, status, and timestamps. The Active Tasks panel provides real-time progress updates, giving administrators full visibility and control over ongoing and completed migration operations.

How to Use DRS Softech Email Migration Tool

PST/OST Migration Workflow

Step 1: Install and open the tool. Click Source from the left panel and select PST/OST Migration.
Step 2: Click Select PST/OST to load individual files or Select Folder to load an entire directory. Click Next.
Step 3: Preview the folder tree and emails. Search by Subject, From, or To. Click Next.
Step 4: Choose your destination: File Format for PST or PDF export, or Email Clients for direct Office 365 migration.
Step 05 (A): File Format: Select PST or PDF, and set the destination path. Configure filters and click Start Migration.
Step 05 (B): Select Email Client (Office 365): Choose Admin Login or Single Login, click Add Connection. Configure filters, and click Start Migration.

Full Guide

Step 1: Install and open the tool. Click Source from the left panel and select PST/OST Migration.

Step 2: Click Select PST/OST to load individual files or Select Folder to load an entire directory. Click Next.

Step 3: Preview the folder tree and emails. Search by Subject, From, or To. Click Next.

Step 4: Choose your destination: File Format for PST or PDF export, or Email Clients for direct Office 365 migration.

Step 05 (A): File Format: Select PST or PDF, and set the destination path. Configure filters and click Start Migration.

Step 05 (B): Select Email Client (Office 365): Choose Admin Login or Single Login, click Add Connection. Configure filters, and click Start Migration.

IMAP Migration Workflow

Step 1: Download the tool and select IMAP Migration.
Step 2: Choose Single Account or Batch/CSV. Enter your credentials. Click Test Connection, then Continue.
Step 3: Review the Mailbox Tree showing all folders, total mails, and connection status. Select folders and click Continue to Filter.
Step 4: Choose your Saving Format: File Formats or Email Client.
Step 05 (A): For File Formats- Select PST, PDF, MBOX, JSON, and more. Apply File Format Filters and click Next, then Start Migration.
Step 05 (B): Email Client- Choose Office 365, Gmail, IMAP, configure filters, and click Start Migration.

Full Guide

Step 1: Download the tool and select IMAP Migration.

Step 2: Choose Single Account or Batch/CSV. Enter your credentials. Click Test Connection, then Continue.

Step 3: Review the Mailbox Tree showing all folders, total mails, and connection status. Select folders and click Continue to Filter.

Step 4: Choose your Saving Format: File Formats or Email Client.

Step 05 (A): For File Formats- Select PST, PDF, MBOX, JSON, and more. Apply File Format Filters and click Next, then Start Migration.

Step 05 (B): Email Client- Choose Office 365, Gmail, IMAP, configure filters, and click Start Migration.

Software Feature	Free Version	Full Version
PST/OST Migration: Select PST/OST File or Folder
IMAP Migration: Single Account and Batch/CSV
Preview Emails with Folder Tree and Search
Export to PST and PDF File Formats	50 Emails per folder	All
Migrate to Office 365 or Outlook	50 Emails per folder	All
Date Filter, Remove Duplicate, Item Type, and more
All Reports and Active Tasks Monitoring
Compatible with Windows Platforms
24×7 Technical Support
Download and Purchase	Download	Purchase

Software Specification

System Requirement

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:	About 500 MB is needed to install the tool, and at least 20 GB of free space is required to save data.

About Software

Version:	26.06
Size:	314 MB
Release Date:	May 2026
Language Supported:	English
License Types:	Home \| Admin \| Technician \| Enterprise

Supported Links

Software Guide

EULA

Installation/Uninstallation

Software Activation Guide

Additional Information

Q1. Why is the software not working on my Windows PC?

Ans: Follow the steps below if the software is not working properly on your PC.

Go to Windows Defender.
Click on Settings.
Turn off Real-Time Protection.

Without disabling the controlled folder access, the application cannot install some essential programs. It is because the safety feature blocks anything that tries to modify user\{user name} or various other related folders.

Q2. Why do I need to disable the Antivirus program to use the application?

Ans: The Antivirus programs block some part of our application which further hinderance the tool working. So, it is mandatory to temporarily disable the Antivirus program. To ensure proper working of the application, Enable the Allow access (Whitelist) from Antivirus setting.

Q3: Why is my backup process still getting blocked?

Ans: Disable the antivirus and Windows Defender and add the product to the exception list. The firewall and antiviruses that protect your system from malicious programs also consider our product a threat. So, you need to deactivate the security features.

Q4: Does this software support SAN, and NAS storage systems?

Ans: Yes, the tool supports SAN, and NAS storage systems provided that the file's access is transparent.

Free Trial Version for Evaluation and Analysis:

The free demo version of the DRS Softech Email Migration Wizard allows you to test PST/OST Migration, IMAP Migration, filters, and destination settings with your actual data before purchasing. The demo processes up to 50 emails per folder, giving you a clear and honest picture of the tool's accuracy and performance before upgrading to the full version for unlimited migration.

Frequently Asked Questions

Which OAuth scopes are required when creating a JSON key file for Google Workspace migration?

The Service Account should be granted the required Gmail and Admin SDK scopes, such as:

https://mail.google.com/
https://www.googleapis.com/auth/admin.directory.user.readonly

These permissions allow the migration tool to access mailbox data and retrieve user information from the Google Workspace domain.

How can I avoid entering IMAP account credentials repeatedly for recurring migration projects?

The software provides a Load from Saved Accounts option that stores previously configured IMAP connection details. Administrators can quickly select saved mailbox profiles, validate the connection, and continue the migration process. To save account details, user consent and permission are required during the initial configuration.

How can I resume an interrupted migration without reprocessing existing mailbox data?

By enabling the Skip Previously Migrated feature, the software can continue from the last successful migration point and avoid transferring mailbox items that were already migrated before the interruption.

What mechanisms are available to validate source and destination mailbox connectivity before migration?

The tool includes connection validation and authentication testing features that verify mailbox credentials, server accessibility, security protocols, and port configurations before migration begins.

How does the software preserve email metadata during migration?

The migration engine maintains key message properties, including sender information, recipient details, timestamps, attachments, and folder hierarchy throughout the migration process.

What strategies does the software use to reduce migration downtime?

Features such as incremental migration, duplicate detection, batch processing, selective filtering, and saved account configurations help streamline migration workflows and reduce operational disruptions.

What methods are available for tracking active migration jobs?

The Active Tasks module provides real-time visibility into ongoing migration operations, allowing administrators to monitor progress and migration status.

How can administrators verify data integrity after migration completion?

Migration reports, mailbox statistics, item counts, and destination mailbox validation can be used to compare source and destination data for accuracy verification.

Why is an Azure AD Application Client ID required for Microsoft 365 migration?

The Client ID acts as the unique identifier of the Azure AD application used by the migration software. It enables secure OAuth authentication with Microsoft 365 services and works in conjunction with the Tenant ID, Client Secret, and assigned API permissions to authorize mailbox access during migration operations.

How does the software manage batch migrations of 100 mailboxes?

Administrators can use CSV-based mailbox mapping and batch processing capabilities to migrate multiple mailboxes simultaneously.

Does the software support licensed users and shared mailboxes?

Yes. The software supports the migration of licensed user mailboxes and shared mailboxes. However, guest accounts cannot be migrated because they do not contain mailbox data like standard user accounts.

I have sensitive emails in my mailbox. Is the migration process secure?

Yes. The tool processes all data locally on your machine. Nothing is uploaded to external servers during PST Migration. For IMAP migrations, authentication uses Microsoft's own secure OAuth or Client Secret methods, and the tool follows a strict zero data collection policy.

Can I migrate emails from Yahoo or other providers, not just Gmail?

Yes. The IMAP Migration mode connects to any IMAP-enabled email provider, including Yahoo Mail, and any custom IMAP server. Simply enter the correct IMAP server address, port, and security settings for your provider.

Testimonials

See how IT professionals and organizations rely on the DRS Softech Email Migration Software for fast, accurate, and secure email migration.

"Migrated 40 IMAP accounts to Office 365 in a single afternoon"

We were transitioning our entire organization from an on-premises IMAP mail server to Microsoft 365. The Batch/CSV feature lets us load all 40 accounts at once, configure the filters once, and run the entire migration in one session. Every email, contact, and calendar entry landed exactly where it should. What we expected to take three days was finished before the end of the workday.

- Daniel Hargrove
(IT Director, Hargrove Systems Group (USA))

"The duplicate handling feature alone justified the purchase"

Our PST archives had years of accumulated duplicate emails from various backup and forwarding configurations. The Duplicate Handling filter cleaned everything automatically based on Subject and Body parameters before migration. The output was the cleanest mailbox data we had seen in years. No manual cleanup required at all.

- Patricia Nguyen
(Data Operations Manager, Pacific Edge Corp (USA))

"PST to Office 365 migration with zero manual import steps"

We had always dreaded PST migrations because of the manual Outlook import process. This tool connects directly to Office 365 through Modern Authentication, handles Admin Login for the whole tenant, and migrates everything in one step. Folder structure was preserved perfectly, and not a single email was missing from the destination.

- Marcus Webb
( IT Consultant, Webb Technology Services (USA))

"The date filter and item type selector made our legal review straightforward"

We needed to migrate only emails and calendar entries from a specific three-month period for a legal matter. The Date Filter and Item Type selector handled the scoping precisely. We did not have to touch anything outside that window, and the output was delivered cleanly into a PST file for our legal team. Exactly what we needed.

- Carol Simmons
(Compliance Manager, Simmons Legal Partners (USA))

"Tested the demo on our actual PST files and bought it the same day"

I always evaluate tools before committing a purchase budget. The demo version ran against our real PST archives, the preview panel loaded everything correctly, the filters worked as described, and the Office 365 connection authenticated on the first attempt. We purchased the Enterprise License within the hour. No surprises and no regrets.

- Jason Pruitt
(Senior Systems Administrator, Meridian Technology Group (USA))

DRS Softech Email Migration Tool

Key Features of DRS Softech Email Migration Software