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    Exchange and Office 365 Migration
    • Exchange Server MigrationMigrate Exchange 2007, 2010, 2013, 2016, 2019 to Office 365 tenants. Also, migrate between Exchange servers and PST
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    • Office 365 BackupIncremental, Granular, Encrypted and Compressed Office 365 Mailboxes Backup
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    • SharePoint, OneDrive & Teams BackupBackup Online site collections, Team sites, Office 365 groups, all documents etc.
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User’s Manual
Exchange Server Migration

User Manual

User Manual

  • Exchange Migration Overview
  • Initial Setup
  • System Requirements
  • Migration Scenarios
  • Installation
    • Installation process
    • Reinstall or Upgrade
    • How to uninstall
  • FAQ
    • General
    • Migration Free Trial / Demo
    • Migration License
    • Before Migration
    • Migration - Steps
    • After Migration
  • Videos
    • Exchange to Exchange
    • Exchange to Office 365
    • Exchange to IMAP
    • Exchange to PST
    • Public Folder to Office 365
    • Archive Mailbox to Office 365
    • Public Folder to Exchange
    • Archive Mailbox to Exchange
    • Restore Bulk PST files to Exchange
  • Screenshots
    • Exchange to Exchange
    • Exchange to Office 365
    • Exchange to PST
  • Understanding the Application
    • Migration
    • Migration Speed
    • Incremental Migration
    • Exchange Throttling Policy
  • How it works?
    • Exchange to Exchange
    • Exchange to Office 365
    • Exchange to PST
    • Exchange to IMAP
    • Exchange Public Folder to Office 365
    • Exchange Public Folder to Exchange
    • Exchange 2010 to 2016 Public folder
    • Exchange 2013 Public folder to Office 365
    • Exchange 2016 Public folder to Office 365
    • Exchange Public Folder to Shared Mailbox
    • Archive Mailbox to Office 365
    • Archive Mailbox to Exchange
    • Hosted Exchange Migration
    • Hosted Exchange to Live Exchange Migration
    • Hosted Exchange to Office 365 Migration
    • Live Exchange to Hosted Exchange Migration
    • Hosted Exchange Public Folder to Office 365 Migration
    • Cross-forest migration from Exchange 2013 to Exchange 2019/2016
    • Hybrid Migration
    • Public folder Migration in Hybrid Environment
    • Disable msExchMailboxGuid
    • Exchange to Gmail Migration
    • Multiple PST files to Exchange server
  • Connect to Exchange server for multiple mailboxes migration
    • Connect with Global Admin
    • Connect to Multiple users using CSV file
    • Connect using full access permission
    • Connect individual users for Single / Specific user Migration
  • Connect to Hosted Exchange for its Migration
    • Connect with Full Access permissions
    • Connect to multiple users using CSV file
    • Connect to Individual user for migration
  • Connect to Office 365
    • Modern Authentication Using OAuth 2.0
      • Microsoft 365 modern authentication
      • Automatic Registration
      • Manual Registration
    • Connect with Global Admin
    • Connect to Office 365 with full access permission
    • Connect to Office 365 with CSV file option
    • Connect to Office 365 as single user mailbox
  • Set Exchange Server Impersonation rights
    • Exchange 2007 and below
    • Exchange 2010, 2013, 2016 and 2019
    • Set using Exchange Server GUI
  • Knowledge Base
    • Exchange to Exchange Migration
    • Exchange to Office 365 Migration
    • Migrate Legacy Exchange to Latest Exchange
    • Cross-forest and cross-domain migration
    • Public folder, Shared mailbox migration
    • Archive mailbox migration
    • Hosted Exchange Migration
    • Incremental migration
    • Cutover, staged and hybrid migration
    • Migrate SBS 2003, 2008, 2011 to a Modern Exchange Environment
    • Export Exchange Mailbox to PST
    • Secure Exchange Migration
    • Selective Mailbox / Folder Migration
    • Automatic Mailbox Mapping
    • Assign Public Folder to one target destination
    • Multiple PST Restore
    • No Impact on users - Zero downtime
    • Migrate Email Rules, Forwarding and Junk Email Configuration
    • Exchange migration speed and throttling management
    • Support for all the languages
    • Advanced settings and options
    • GAL and all address lists Migration
    • Exchange migration reports
    • Best Exchange Migration software
    • Exchange migration checklist
    • Exchange migration manager
    • Feature rich Exchange migration software
    • Exchange to Office 365 migration planning
    • Exchange server migration tips
    • Export Exchange server users to CSV
  • Migration Types
    • Cutover Migration
    • Staged Migration
    • Hybrid Migration
  • Map the Mailboxes
  • Migration Walkthrough
    • From Exchange 2003
    • From Exchange 2007
    • From Exchange 2010 to Exchange 2019
    • From Exchange 2010 to Exchange 2016
    • From Exchange 2010 to Office 365
    • From Exchange 2013 to Exchange 2019
    • From Exchange 2013 to Exchange 2016
    • From Exchange 2013 to Office 365
    • From Exchange 2016 to Exchange 2019
    • From Exchange 2016 to Office 365
    • From Exchange 2019 to Office 365
    • From Office 365
    • Exchange 2013 mailbox to PST
    • Exchange 2016 mailbox to PST
    • Exchange 2019 mailbox to PST
    • Exchange 2010 mailbox to PST
  • Multifactor Authentication
    • Enable MFA in Office 365
    • Create App password for MFA
    • Disable Security Defaults
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  3. How to migrate from Exchange to IMAP server?
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Migrate Exchange to IMAP server

EdbMails offers a secure and reliable solution for migrating mailboxes from Exchange Server to an IMAP server, ensuring accurate transfer of emails, folders, and mailbox data with zero disruption to business operations. The tool supports multiple Exchange versions, including 2019, 2016, 2013, 2010, and 2007, and allows migration to a wide range of IMAP platforms such as Gmail, Outlook.com, Zimbra, Rackspace, GoDaddy, and IceWarp etc.

Migrating mailboxes manually can be complex and prone to errors, potentially leading to missing emails, data loss, or downtime. EdbMails Exchange Migration simplifies this process by automating mailbox mapping, supporting multiple mailbox migrations simultaneously, and transferring only new or modified data (Incremental Migration). The solution also allows selection of specific folders to migrate, giving administrators complete control over the migration process.

Exchange to IMAP migration

With EdbMails Exchange Migration Software, mailbox migration can be completed efficiently while maintaining uninterrupted email access for users. The process includes preparing the source and target systems, performing the migration, and verifying the migrated data to ensure a smooth and reliable transition. It covers all stages of migration—from preparation to execution and post-migration verification—enabling organizations to complete the move confidently and without disruption.

Top reasons to migrate Exchange to IMAP server

Consider the following reasons:

  1. Enhanced personalization capabilities
    IMAP servers stand out by providing superior customization options compared to Exchange. Organizations can tailor email storage, access permissions, and archiving methods to meet their unique requirements. EdbMails Exchange migration software plays a crucial role in this transition by preserving the existing organizational emails and folder structure, allowing businesses to fully leverage the personalization features of their new IMAP environment.
  2. Versatile operational framework
    IMAP servers offer a more adaptable operational structure, enabling organizations to manage emails in ways that align more closely with their specific requirements and workflows. EdbMails Exchange to IMAP migration facilitates this adaptability by ensuring a smooth transfer of all essential email data. This flexibility allows organizations to configure their IMAP setup in a way that complements their existing workflows and enhances overall productivity.
  3. Support for changing business needs
    Certain organizations encounter evolving business requirements that an IMAP server can better accommodate, providing an alternative approach to email management compared to the standardized Exchange system. EdbMails supports this transition by allowing organizations to streamline their email management as they adapt to new business demands, ensuring that all emails are transferred effectively.
  4. Strategic expansion opportunities
    Migrating to an IMAP server can be a strategic step for organizations looking to improve and expand their email management capabilities. It allows businesses to adopt a more flexible system that aligns with evolving workflows and priorities. EdbMails Exchange to IMAP migration makes this transition seamless by securely transferring all emails, attachments, and folders, ensuring that no critical data is lost and organizations can fully leverage the features of their new IMAP environment.
  5. Flexibility in adaptation
    For organizations seeking a more flexible email system, IMAP servers provide adaptability that fits their operational needs better than the fixed structure of Exchange. EdbMails Exchange to IMAP migration ensures all important data is transferred smoothly, allowing businesses to set up and customize their IMAP environment to match their specific workflows and requirements.
  6. Cost-effective solution
    IMAP servers provide cost-effective solutions for managing email efficiently while maintaining high accessibility and functionality. This makes them an attractive option for organizations focused on budget-conscious decisions. EdbMails Exchange to IMAP migration software facilitates a smooth transition, allowing organizations to move essential data without incurring unnecessary costs, ultimately leading to significant savings.
  7. Enhanced security
    Top IMAP providers implement advanced security protocols, such as end-to-end encryption and multi-factor authentication, to ensure the protection of sensitive data and mitigate the risk of breaches. EdbMails Exchange migration plays a vital role in maintaining this security during the migration process by ensuring that all transferred data is securely handled, preserving integrity throughout the transition.

Best software to migrate Exchange to IMAP server

EdbMails offers a comprehensive solution for Exchange to IMAP migration, effectively facilitating the transfer of data from Microsoft Exchange 2019, 2016, 2013, 2010, and earlier versions to IMAP accounts. This versatile application is compatible with all Windows operating systems, making it suitable for various operational environments.

Renowned for its intuitive interface, EdbMails simplifies the Exchange to IMAP migration process for users across all levels. Its advanced automation features significantly minimize the need for manual intervention, reducing errors and expediting the migration. The software's batch migration option allows users to select and migrate multiple Exchange server users' emails directly to IMAP accounts while ensuring data integrity throughout the process.

EdbMails easily handles the migration of all email properties and attachments, providing a reliable experience. With its advanced set of features, EdbMails stands out as the premier choice for users and organizations undertaking Exchange to IMAP migration.

EdbMails Exchange to IMAP migration scenarios

EdbMails offers extensive support for various Exchange to IMAP scenarios. Below are the migration scenarios facilitated by EdbMails to migrate from Exchange to IMAP servers.

  • Exchange to Zimbra migration
  • Exchange to Zoho Mail migration
  • Exchange to Gmail migration
  • Exchange to IceWarp to migration
  • Exchange to cPanel migration
  • Exchange to Rackspace migration
  • Exchange to Plesk migration
  • Exchange to AOL Emails migration
  • Exchange to ProtonMail migration
  • Exchange to AWS Workmail migration
  • Exchange to 123 Reg migration
  • Exchange to Bluehost migration
  • Exchange to Dovecot migration
  • Exchange to hMailServer migration
  • Exchange to BigRock migration
  • Exchange to Liquid web migration
  • Exchange to Dreamhost migration
  • Exchange to Comcast migration
  1. Pre-migration activities to migrate from Exchange server to IMAP

    Preparing for an Exchange server to IMAP migration involves crucial setup requirements. Ensure Exchange server prerequisites are met, including proper configuration and permissions. Simultaneously, ready your target IMAP server, verifying compatibility and ensuring it's appropriately configured to receive migrated data. This careful preparation lays the foundation for a successful migration process.

    Step 1: Prepare your system with the following prerequisites for Exchange server

    • Install cumulative updates (CU) on the source Exchange server for migrating Exchange on-premises to IMAP, it is required that you have the latest cumulative updates (CU) installed on the source server.
    • Install for Exchange server 2013
    • Install for Exchange server 2016
    • Install for Exchange server 2019
    • If you are using a global admin account to connect to Exchange Server, set impersonation rights.

       Click here to learn the steps to set impersonation rights on the Exchange server

    Step 2: Prepare your target IMAP server

    • Create user mailboxes and assign suitable licenses to your target IMAP server
    • Get the email address and password, IMAP hostname, and port number
    • If you plan to migrate multiple users, download the CSV file from EdbMails application. Edit the details for email address and password, imap hostname, and port number of all user mailboxes.

       Click here to find your IMAP server name and related connection settings

    • If you are migrating Exchange to Gmail account, ensure to create app password for Gmail account

       Click here for the steps to create app password for Gmail account

  2. Steps to migrate Exchange to IMAP by EdbMails

    EdbMails is professional software that allows you to directly migrate mailbox data from Exchange to IMAP-based email systems such as IBM Notes, Zimbra, G Suite, Zoho, cPanel, and more. The following step-by-step guide will help you perform a successful Exchange to IMAP migration.

    Step 1: Set up EdbMails for Exchange to IMAP Migration

    • Download and install EdbMails on your computer running on the Windows operating system that can be connected to your Exchange server.
    • System requirements for Exchange to IMAP migration.

      EdbMails software installation

    • Launch the EdbMails application
    • Login using your email address and password, or select the 'Start Your Free Trial' for trial version.

      Login to EdbMails application

    • Choose 'Live Exchange Migration' from the list of products.

      Choose ‘Live Exchange Migration’ option

    • Choose the ‘Live Exchange to IMAP Migration’.

      Choose ‘Live Exchange to IMAP Migration’ option

    • You can either keep the default job name or click the ‘New Job’ button to change the job name.

      Enter the job name

    Step 2: Connect to the Exchange server

    • Click the ‘Add New Connection’ button to establish a new connection to the source Exchange server. To use a previous connection, select it from the connection list and click the ‘Connect to Existing’ button to proceed.

      Click Add new connection

    • Select the required connection options and click the ‘Next’ button.

        Different options to connect to Exchange server in EdbMails

    • EdbMails allows the migration of mailboxes, public folders, and archive mailboxes from the source Exchange server to the target IMAP server.

      Source Exchange server connection

    • You can choose the 'Use Default Connection' option by specifying the name and version of the Exchange server, or select 'Use Autodiscover Email' to log in directly using your user credentials.
    • Enter the target Exchange server details and click the ‘Login’ button

      Source Exchange server login

    • EdbMails automatically detects and loads Exchange server mailboxes. However, due to limitations in Microsoft's API, it may only display up to 100 mailboxes. If you have more than 100, use the CSV file option to load the mailboxes.

      Select mailboxes

    Step 3: Select Exchange server mailboxes

    • Choose the mailboxes you wish to migrate.
    • Click the ‘Next’ button to proceed.

      Select Source Mailboxes

    Step 4: Connect to the target IMAP Server

    • To migrate a single-user account, select the ‘Single User / Account Migration’ option and click ‘Next’ to proceed.

      Connect to target IMAP server with Single users

    • Choose your IMAP server hostname or enter it manually. Then, enter the port number, email address, and password, and click ‘Login’ to proceed.

      Connect to single user account

    • To migrating multiple mailboxes, select ‘Multiple (Bulk) Users/Accounts Migration’ and click ‘Next’.

      Connect to multiple users account

    • Click on ‘IMAP Migration CSV File’. A sample .csv file will be downloaded. Save it to a convenient location on your computer.

      IMAP migration CSV file

    • Open the CSV file and update it with the required details, such as email address (mailbox name), password, hostname, and port. Set the other fields to ‘NA’ if you are migrating only emails from the Exchange server to the IMAP server.
    • After entering the necessary information, save and close the CSV file.

      Office to IMAP CSV file

    • Click ‘Load Modified CSV File’ and select the updated CSV file to import the details.
    • Verify the listed mailboxes and click ‘Next’ to proceed.

      Load CSV file

    • To migrate emails, calendars, and contacts from Exchange to an IMAP platform that supports CalDAV/CardDAV, select ‘IMAP with CalDAV/CardDAV Migration CSV File’.

      IMAP with CalDav and CardDav

    • Choose the location to store the CSV file .
    • Open the CSV file and fill the fields: Source Mailbox Name, Password, Host, Port, CalDAV Username, CalDAV Password, CalDAV Server, CalDAV Folder, CardDAV Username, CardDAV Password, CardDAV Server, and CardDAV Folder. After updating, save and close the CSV file.

      CalDav and CardDav CSV file

    • Click ‘Load Modified CSV File’, browse to the saved CSV file, and load it into the application.

    Step 5: Start Exchange to IMAP migration operation

    • Verify the mailboxes mapping and click the ‘Start Migration’

      Start Exchange migration mailboxes

    • Once the migration is complete, the software prompts the migration completion message. Click the ‘View Logs’ button to view the migration report.
    • Login to your target server and verify the migrated items

      Live Exchange to IMAP migration progress

  3. Exchange to IMAP post-migration tasks

    • Verify mailbox data: Ensure all emails, folders, and attachments have migrated correctly.
    • Test email functionality: Send and receive test emails to confirm proper operation on all devices.
    • Configure mail clients: Update email clients with the new IMAP settings and check synchronization.
    • Update access permissions: Review mailbox permissions, shared folder access, and delegation settings.
    • Enable security features: Activate SSL/TLS, two-factor authentication, and other security measures.
    • Remove legacy connections: Delete old Exchange server accounts to prevent conflicts.
    • Backup and document: Take a backup of the new IMAP mailboxes and record migration details for future reference.
  4. Exchange to IMAP migration troubleshooting

     Refer to the Exchange migration troubleshooting guide for potential solutions to any errors encountered during the migration process.

Benefits of EdbMails for Exchange to IMAP migration

EdbMails offers a complete solution that facilitates the Exchange to IMAP migration process with a focus on ease of use, high performance and security.

  1. Efficient and reliable data migration

    EdbMails Exchange to IMAP software ensures that all emails, folders, attachments are migrated accurately without any risk of loss or corruption.

  2. Concurrent mailboxes migration

    EdbMails supports concurrent mailbox migration, enabling users and organizations to easily manage substantial data volumes with high performance. This feature allows for the simultaneous transfer of multiple mailboxes from Microsoft Exchange to IMAP servers, significantly accelerating the migration process.

  3. Selective data migration

    EdbMails offers advanced filtering options to migrate emails data based on the email sent / received date, cc address, bcc address, email attachments names, subject, read and unread status of the message etc, allowing users to specify exactly what data needs to be migrated.

  4. Preservation of folder structure

    EdbMails preserves the original folder structure during migration from Exchange to IMAP, ensuring users can access their emails as before. It accurately transfers all folder names, including standard and custom folders, so users find their emails in the expected locations.

  5. Zero downtime

    EdbMails guarantees zero downtime during the migration from Exchange to IMAP, allowing users to continue accessing their emails without interruption. This feature is essential for organizations that require constant email availability, as it ensures that the migration process does not disrupt daily operations.

  6. Support for Public folder and Archive mailboxes

    EdbMails facilitates the unlimited migration of Exchange public folders and supports the migration of Archive mailboxes to IMAP servers.

  7. Comprehensive support and documentation

    EdbMails offers free 24/7 customer support and thorough documentation, guiding you through the migration process and promptly resolving any issues that may arise.

Important Considerations

While EdbMails Exchange to IMAP migration ensures a secure and reliable transfer of emails, it’s important to be aware of a few considerations to ensure a smooth process.

Some key points to keep in mind include:

  • Email Size Limits: Very large emails may take longer to migrate or may need to be handled separately.
  • Data Scope: The migration primarily focuses on emails and their folder structure. Other items like calendars, contacts, and tasks may require separate migration approaches.
  • Folder Naming: Certain special characters in folder names (e.g., slashes or symbols) may not be supported by the target IMAP server.
  • Access Requirements: Administrative credentials with proper permissions are required to complete the migration successfully.
  • Migration Duration: Migration speed can vary depending on mailbox size, server performance, and network conditions.

    By keeping these points in mind, organizations can plan effectively and ensure that the migration process is smooth, efficient, and disruption-free.

Frequently asked questions

  1. What is Exchange to IMAP migration, and why would I need it?

    Exchange to IMAP migration involves migrating email data from Microsoft Exchange servers to servers that support the IMAP protocol. This migration is often necessary for organizations looking to optimize collaboration, streamline email management, or move to different email platforms such as Gmail, G Suite, cPanel, and Rackspace, etc.

  2. Why should I choose EdbMails for Exchange to IMAP migration?

    EdbMails is a user-friendly and professional software that supports Exchange to IMAP migration. It offers a seamless migration experience, supports various IMAP-enabled servers, ensures data security, and provides advanced features such as automatic mailbox mapping and high-performance concurrent migrations etc.

  3. Which IMAP-enabled email servers are compatible with EdbMails?

    EdbMails supports migration to all IMAP-enabled email servers, such as Gmail, Zoho, Zimbra, Icewarp, cPanel, Godaddy, Rackspace and more.

  4. Does EdbMails support automatic mailbox mapping during the migration process?

    Yes, EdbMails automatically maps your source Exchange server mailboxes to the target IMAP server mailboxes, eliminating the need for manual efforts.

  5. How does EdbMails ensure data security during migration?

    EdbMails prioritizes data security and adheres to standards such as ISO 27001. The software uses modern authentication methods and secure protocols to safeguard sensitive information.

  6. Can I migrate Archive mailboxes from Exchange to IMAP using EdbMails?

    Yes, with EdbMails you can migrate archive mailboxes from Exchange to IMAP server.


Additional resources:

  • EdbMails Exchange migration software
  • Exchange to Exchange migration
  • Exchange to Office 365 migration
  • Exchange 2010 to 2019 migration
  • Exchange 2013 to 2019 migration
  • Exchange 2016 to 2019 migration
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 In this manual

IntroductionTop reasons to migrateBest software to migrateExchange to IMAP scenariosPre-migration activitiesSteps to migratePost-migration tasksTroubleshootingBenefits

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