EdbMails EDB Recovery and Migration software
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    • EDB Recovery and MigrationRecover EDB to PST, EDB to Office 365 and Exchange NO Duplicate Migration
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    • MBOX Export and MigrationExport MBOX to PST, MBOX to Office 365 and Exchange Migration
    • NSF Export and MigrationExport NSF to PST, NSF to Office 365 and Exchange Migration
    • EML to PST ExportEML files export to Outlook PST format
    • PST to MSG ExportOutlook PST files export to MSG format
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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
    • Office 365 MigrationMigrate Source Office 365 tenants to Destination Office 365 tenants. Also, migrate to Exchange Server and PST
    • IMAP Email Backup & MigrationMigrate all IMAP email servers (Gmail, Zimbra, Zoho, Yahoo etc.), Office 365, Exchange and Backup to Outlook PST
    • SharePoint Online MigrationMigrate documents, files and folders from SharePoint sites
    • OneDrive for Business MigrationMigrate documents, files and folders from OneDrive
    • Microsoft Teams MigrationMigrate Teams, documents, files and folders etc.
    Exchange and Office 365 Backup
    • Office 365 BackupIncremental, Granular, Encrypted and Compressed Office 365 Mailboxes Backup
    • Exchange Server BackupIncremental, Granular, Encrypted and Compressed Exchange Mailboxes Backup
    • SharePoint, OneDrive & Teams BackupBackup Online site collections, Team sites, Office 365 groups, all documents etc.
    • Duplicate Remover - Office 365 & Exchange Remove duplicate emails, calendars, contacts, journal etc. from Office 365 and Exchange
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User’s Manual
IMAP Email Backup & Migration

User Manual

User Manual

  • Overview
  • System Requirements
  • Installation
    • Installation process
    • Reinstall or Upgrade
    • How to uninstall
  • Initial Setup
  • FAQ
    • IMAP Migration to Office 365
    • IMAP Migration to Exchange
    • Gmail Backup and Migration
  • Videos
    • IMAP to Office 365 Migration
    • IMAP to Exchange Migration
    • Gmail Backup and Migration
    • IMAP Migration to PST
    • Outlook PST to IMAP Migration
    • IMAP Migration to IMAP
  • Screenshots
    • IMAP Migration to Office 365
    • IMAP Migration to Exchange
    • Gmail Backup and Migration
    • IMAP Migration to PST
  • How it works?
    • IMAP Migration to Office 365
    • IMAP Migration to Exchange
    • Gmail Migration
    • IMAP Migration to PST
    • IMAP Migration to IMAP
    • Outlook PST to IMAP
    • cPanel to cPanel Migration
    • IMAP to Office 365 Shared mailbox migration
  • Connect to IMAP
    • Connect IMAP Single Server
    • Connect IMAP Multiple Server
  • Enable less secure apps in Gmail
  • Export Gmail contacts and calendars
    • Export Gmail contacts to Office 365
    • Export Gmail Calendars to Office 365
  • 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
  • Connect to Exchange server for multiple mailboxes migration
    • Connect with Global Admin
    • Connect to Multiple user 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
    • Using multiple user credentials with CSV file
    • Connecting to Individual user for its migration
  • Knowledge Base
    • IceWarp to Office 365 migration
    • Zimbra to Office 365 migration
    • AOL Emails to Office 365 migration
    • Zoho Mail to Office 365 migration
    • GoDaddy to Microsoft 365 migration
    • ProtonMail to Office 365 migration
    • cPanel to Office 365 migration
    • Rackspace to Office 365 migration
    • Plesk to Office 365 migration
    • Barracuda to Office 365 migration
    • AWS Workmail to Office 365 migration
    • 123 Reg to Office 365 migration
    • Bluehost to Office 365 migration
    • Dovecot to Office 365 migration
    • hMailServer to Office 365 migration
    • BigRock to Office 365 migration
    • Liquid web to Office 365 migration
    • Dreamhost to Office 365 migration
    • Comcast to Office 365 migration
    • Google Vault to Office 365 migration
    • Enterprise Vault to Office 365 migration
    • Mimecast Archive to Office 365 migration
    • HostMonster to Office 365 migration
    • SiteGround to Office 365 migration
    • Fastmail to Office 365 migration
    • SmarterMail to Office 365 migration
    • MDaemon to Office 365 migration
    • Zimbra to Gmail migration
    • Rackspace to Gmail migration
    • Zoho to Gmail migration
    • Rackspace to AWS migration
    • iCloud Mail to Office 365 migration
    • Yandex Mail to Office 365 migration
    • GMX Mail to Office 365 migration
    • Gmail to Tutanota migration
    • Ionos to Office 365 migration
    • Hostgator email to Office 365 migration
    • Namecheap email to Office 365 migration
    • Posteo to Office 365 migration
    • Tiscali email to Office 365 migration
    • Tiscali email to Gmail migration
    • BT email to Office 365 migration
    • Open xchange email to Office 365 migration
    • Cox email to Office 365 migration
    • BigPond email to Office 365 migration
    • ATT email to Office 365 migration
    • Frontier email to Office 365 migration
    • Charter email to Office 365 migration
    • Horde email to Office 365 migration
    • T-online email to Office 365 migration
    • Virginmedia email to Gmail migration
    • Earthlink email to Gmail migration
  • Set Office 365 Impersonation rights
    • Using PowerShell commands
    • Using Office 365 GUI
  • Set Exchange Server Impersonation rights
    • Exchange 2007 and below
    • Exchange 2010, 2013, 2016 and 2019
    • Set using Exchange Server GUI
  • Incremental Migration
  • Exchange Throttling Policy
  • Map the Mailboxes
  • Multifactor Authentication
    • Enable MFA in Office 365
    • Create App password for MFA
    • Disable Security Defaults
  1. Home
  2. Product
  3. How to Migrate Plesk to Office 365 Mailboxes
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Plesk to Office 365 migration

Plesk is a popular web hosting platform that provides integrated email management and a user-friendly control panel for both Linux and Windows servers. While Plesk is suitable for basic hosting needs, it becomes less effective as businesses grow, particularly in terms of advanced collaboration and scalability. In contrast, Office 365 offers a comprehensive cloud solution that seamlessly integrates productivity tools like Word, Excel, PowerPoint, SharePoint, and Teams, supporting enhanced collaboration and business operations. Migrating from Plesk to Office 365 removes the need for continuous server maintenance, while providing access to a broader range of features, improved security, and better scalability. For organizations seeking a more powerful and flexible solution, Office 365 is the ideal choice over Plesk.

Plesk to Office 365 migration

  1. Why do users prefer EdbMails for Plesk to Office 365 migration?

    Migrating from Plesk to Office 365 using manual methods often introduces risks such as data loss or corruption. EdbMails IMAP migration software provides a secure, efficient, and user-friendly solution, simplifying the migration process with an intuitive interface suitable for both technical and non-technical users. The software employs advanced algorithms to ensure a seamless transfer of emails, and other essential data, maintaining integrity throughout the migration. Key features like incremental migration ensure that only new or modified data is transferred, preventing data duplication. Automated mailbox mapping eliminates the risk of manual errors by automatically mapping Plesk mailboxes with Office 365 accounts, ensuring accurate data migration. Additionally, concurrent migration enables multiple mailboxes to be migrated simultaneously, significantly reducing overall migration time and minimizing operational disruption. With these advanced features, EdbMails delivers a secure, reliable, and fast solution for seamless Plesk to Office 365 migration.

  2. Plesk to Office 365 migration planning

    Effective planning is essential for a seamless Plesk to Office 365 migration. A structured approach minimizes risks, prevents data loss, and ensures a smooth transition. Follow these key steps to prepare your source and target environments:

    1. Back Up All Data: Create a comprehensive backup of Plesk mailboxes, emails, and related data to protect against potential issues during migration. Refer to our for admin access details.
    2. Define Migration Scope: Determine the number of mailboxes and specific data types (e.g., emails, contacts, calendars) to transfer from Plesk to Office 365.
    3. Document Permissions: Record all Plesk user permissions and folder access settings to ensure accurate mapping in Office 365. See our for mailbox mapping guidance.
    4. Prepare Office 365 Environment: Set up user mailboxes, assign licenses, and verify domain settings in Office 365 for uninterrupted email delivery. Learn more at Microsoft’s guide to adding users and licenses.
    5. Assess Network Capacity: Verify sufficient bandwidth and network stability to support large-scale data transfers without performance issues.
    6. Conduct a Test Migration: Run a trial migration with a small set of mailboxes to validate the process and address potential challenges. Explore our for solutions to common issues.
  3. Plesk to Office 365 migration prerequisites

    Follow the below pre-migration activities while migrating Plesk to Office 365

    1. Ensure that you have admin access Plesk and Office 365 accounts

      The admin account that has all the necessary permissions to migrate mailboxes on behalf of all the users in your organization. Make sure to assign the Organization Management role group and impersonation rights to the admin user on Office 365.

    2. Create Office 365 mailboxes and assign the licenses

       Click here to Add users and assign licenses to Office 365 users

       Assign Microsoft 365 licenses to user accounts

    3. To migrate Plesk mailboxes to Office 365 Public folders, ensure that you create a public folder and assign users to mailboxes on the Office 365 server.

       Create Office 365 Public folder and assign mailbox user

    4. If you are in plan to migrate mailboxes to Office 365 archive mailboxes, ensure to enable In-Place archive in Office 365 admin center.

       Steps to enable archive mailbox in Microsoft 365.

    5. If you have a custom email domain from the source which you want to retain and receive emails to, you must add and verify the domain on Office 365.

       Steps to add a custom domain to Office 365 and steps to add DNS records to connect your domain.

    6. Customize the message size limits for large size messages

       Follow the steps to increase the message size on Office 365 to 150MB. See message size limits on Office 365 for more information.

  4. Steps to migrate Plesk to Office 365 using EdbMails

      • Step 1: Download and install EdbMails IMAP migration application

        • Download EdbMails and install the application on any computer operating on Windows OS.

          EdbMails software installation

        • Launch the application and click 'Login' or 'Start Your Free Trial'.

          EdbMails software login

        • Select the option ‘IMAP (Gmail, Outlook & more) Migration’.

          Select ‘IMAP Migration’ option

        • Select ‘IMAP to Office 365 Migration’.

          Select ‘IMAP to Office 365 Migration’ option

        • Use the default job name or select 'New Job' to customize the name.

          IMAP Job Name’ option

      • Step 2: Connect to source Plesk server

        • To migrate a single user account, choose ‘Single User / Account Migration.’ Next, select the desired protocol, like ‘Connect to IMAP’ or ‘Connect to POP3,’ and click ‘Next’ to move forward.

          Connection method

        • Choose the correct IMAP host name from the list or manually enter it (e.g., mail.yourdomain.com). Then, fill in your email address, password.
        • Click the ‘Login’ button.

          Connect to single user account

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

          Connect to multiple user

        • Click ‘Download Sample CSV File’ to get a ready-made template. You can use this file to enter mailbox details such as email addresses, server names, and login credentials for bulk migration setup.

          download sample csv file

        • Modify the CSV file with the required details such as email address, password, host name and port number in the CSV file and save the changes.

          modify csv file

        • Once you've made the necessary changes to the CSV file, save and close it.
        • Then, click on the 'Browse CSV File' button, find your updated file, select it, and open it to continue.

          browse CSV file

      • Step 3: Select the mailboxes or folders to migrate

        • Select the mailboxes or specific folders you want to migrate, then click ‘Next’ to proceed with the migration process.

          Click Add New Connection

      • Step 4: Connect to target Office 365 server

        • Click the ‘Add New Connection’ button to establish a new connection to the target Office 365. To use the 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.

          Select required connection option

        • Select the authentication method and click the ‘Login’ button to continue.

          Connect to the target Office 365 server

        • Authenticate on Microsoft sign-in page.

          Microsoft sign-in page

        • Click the ‘Next’ button to continue.

          Select the option to load the mailboxes

      • Step 5: Plesk to Office 365 mailboxes mapping

        • Select the mapping option that best aligns with your requirements.

          Choose mailbox mapping option

        • You can choose to let EdbMails automatically create mailboxes in Office 365 and map them between the source and target servers. This feature is especially useful for large-scale migrations, saving time, reducing manual effort.

          IMAP server to Office 365 mailboxes mapping

      • Step 6: Start Plesk to Office 365 migration

        • After mapping the mailboxes, click the ‘Start Migration’ button to initiate the migration process.

          Start IMAP server to Office 365 migration

        • Click the ‘View Log’ button to view the migration report, which includes mapping details and the total count of migrated emails.

          IMAP office365 migration progress

        • Login to your target server and verify the migrated items.
  5. Plesk to Office 365 post migration tasks

    • Step 1: Update the MX records to point to Office 365

      If you have not done this step previously, change the DNS records known as MX records to enable email and receive messages on the target Office 365 server. In addition, configure the Autodiscover record to allow Outlook to connect to the migrated mailboxes.

    • Step 2: Create a new Outlook profile for users in the new domain

      Configure the Outlook profile for each user in your domain if Outlook has problems connecting to Office 365 mailboxes.

  6. Plesk to Office 365 migration troubleshooting

      For assistance with common migration issues, please refer to the troubleshooting guide. For more in-depth details on EdbMails IMAP migration, visit the Frequently Asked Questions(FAQs) section.

Advantages of EdbMails for Plesk to Office 365 migration

  1. Efficient email account migration with data integrity

    EdbMails offers a reliable solution for migrating email accounts from Plesk to Office 365. It transfers all mailbox data including emails, folders, attachments, and other items while maintaining complete data integrity throughout the process. The software is designed to prevent data loss or corruption, ensuring that all your email content is preserved exactly as it was in the source environment.

  2. Preserves mailbox structure and hierarchy

    One of the standout features of EdbMails is its ability to preserve the original structure and hierarchy of your mailbox data during migration. This ensures that your emails and folders retain their organization, eliminating the need for post-migration reorganization, which can be time-consuming and error-prone.

  3. Selective migration for flexibility

    EdbMails offers the flexibility to selectively migrate specific email folders or data within a given date range. This is particularly useful for businesses that want to migrate only relevant data, saving time and reducing migration size while avoiding unnecessary transfers.

  4. Batch migration for multiple accounts

    With the ability to support batch migration, EdbMails allows you to migrate multiple email accounts simultaneously. This feature speeds up the migration process, ensuring that your team experiences minimal disruption while the migration is carried out in parallel, without the need for individual account transfers.

  5. Automatic mailbox mapping

    EdbMails automates the mapping of source and target mailboxes, reducing the risk of errors and manual intervention. This streamlined process not only saves time but also ensures that each mailbox is properly aligned, leading to a more accurate and hassle-free migration.

  6. Preserves folder permissions and metadata

    During migration, EdbMails ensures that all folder permissions and email metadata (such as read/unread status, sent/received times) are maintained. This helps avoid disruptions in user access and guarantees that email records are fully intact post-migration.

  7. Comprehensive migration reporting

    EdbMails generates detailed migration reports, providing a thorough overview of the migration process. These reports are useful for reference, auditing, and troubleshooting, ensuring transparency and accountability throughout the migration lifecycle.

  8. Free trial for evaluation

    To ensure that EdbMails meets your needs, you can download and evaluate the software with the free trial, you can export up to 20 Plesk emails to an Office 365 account, allowing you to assess the software’s capabilities before committing to the full migration.


Additional resources:

  • Dovecot to Office 365 migration
  • hMailServer to Office 365 migration
  • BigRock to Office 365 migration
  • Liquid web to Office 365 migration
  • Dreamhost to Office 365 migration
  • Comcast to Office 365 migration
  • Google Vault to Office 365 migration
  • Enterprise Vault to Office 365 migration
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 In this manual

IntroductionReasons for MigrationMigration PlanMigration PrerequisitesMigration StepsPost Migration TasksTroubleshootingAdvantages of EdbMails

IMAP Migration

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