Cox Email to Office 365 Migration

Here are key reasons why making the switch is beneficial:

1. Office 365 offers advanced productivity tools like Microsoft Teams and OneDrive for seamless collaboration.
2. Its cloud-based platform allows access to emails and data from anywhere, on any device.
3. Office 365 provides enhanced security features, including multi-factor authentication and encryption.
4. Generous storage capacity ensures efficient handling of large volumes of emails and attachments.
5. Regular updates keep Office 365 equipped with the latest technology, ensuring future-proof functionality.
6. Its powerful email management features simplify inbox organization and communication workflows.
7. Business-focused features like shared mailboxes and calendar sharing make it ideal for growing companies.
8. A guided migration tool can reduce repetitive configuration and provide reports for verification during a staged Cox-to-Microsoft 365 transfer.

Switching to Office 365 with EdbMails gives users access to a secure, reliable, and feature-rich email platform designed to meet the demands of today’s fast-paced digital environment.

The EdbMails IMAP Migration Tool provides a guided Cox/Yahoo-to-Microsoft 365 email migration workflow for single and bulk projects. It migrates supported messages, attachments, folders, and common email properties, with selective migration, mapping, follow-up passes, reporting, and target verification.

A free personalized demo and 24/7 free technical support are available for migration planning, connection, mapping, errors, and verification.

Planning is one of the most important steps before you begin the Cox email to Office 365 migration. Here is a checklist of points to consider before you migrate.

1. Determine the size of the data and the number of mailboxes you want to migrate.
2. Make a list of all the data and permissions from Cox email that you want to transfer.
3. Create appropriate user mailboxes on Office 365 and assign licenses to them.
4. Ensure you have enough network capacity and bandwidth to migrate.
5. Communicate the migration plan and flow to your end users.

• 1. Identify the current IMAP server used by your Cox.net mailbox. For Cox.net accounts transitioned to Yahoo, verify the current Yahoo Mail IMAP settings and use an app password or supported authentication method when required.
  2. Have the users email address, passwords, IMAP hostname and port number.
  3. Create mailboxes on your target Office 365 server. You can choose the option to automatically create target mailboxes in EdbMails. If you prefer to create them manually, refer to the links below.
     1. Add users and assign licenses to Office 365 users
     2. Assign Microsoft 365 licenses to user accounts
  4. If you have a custom email domain from your hosting provider to which you want to migrate and receive emails, 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.
  5. Configure Office 365 to send and receive large messages.
      Follow the steps to increase the message size on Office 365 to 150MB and see tips to optimize IMAP migration to Exchange online.

• • Step 1: Download and install EdbMails IMAP migration software

    • Download EdbMails and install it on a Windows-based computer to get started with the Cox email to Office 365 migration process.

      

    • Open the EdbMails application on your system
    • Enter your registered email address and password, then click ‘Login’. If you are accessing EdbMails for the first time, choose ‘Start Your Free Trial’ to proceed with the trial version.

       Note: The trial version provides access to all key features and allows you to migrate up to 30 items per folder. To migrate all eligible items for licensed mailboxes, purchase the required IMAP Migration license from the official EdbMails website.

       Click here to view IMAP Migration pricing details.

      After completing the purchase, close the application and reopen it. Sign in again using the same email address and password used during the purchase to successfully activate your license.

      

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

      

    • Select ‘IMAP to Office 365 Migration’.

      

    • A default job name is assigned automatically, but you can click ‘New Job’ to set a custom name and easily track your Cox to Office 365 migration task.

      

  • Step 2: Connect to the source Cox email server

    • To connect a single Cox email account for migration, click ‘Single User / Account Migration’, choose the suitable connection option such as ‘Connect to IMAP Server’ or ‘Connect to POP3 Server’. Click ‘Next’ to proceed.

      

    • For Cox.net mailboxes transitioned to Yahoo, use imap.mail.yahoo.com with port 993 and SSL/TLS.
    • Enter the full Cox.net email address and generate/use a Yahoo app password for third-party IMAP access where required by the account.
    • Click the ‘Login’ button to proceed.

      

    • To connect and migrate multiple Cox user mailboxes at once, select ‘Multiple (bulk) Users/Accounts Migration’, choose the suitable connection method such as ‘Connect to IMAP Server’ or ‘Connect to POP3 Server’.
    • Then proceed by clicking ‘Next’.

      

    • Click ‘IMAP Migration CSV File’.

      

    • Edit the CSV file and fill in the required information, including the email address, password, server hostname, and port number.
    • After completing the updates, save the file and close it.

      

    • Next, click the 'Load Modified CSV File' button, locate your updated CSV file, select it, and open it to proceed.

      

    • Choose the specific mailboxes or individual folders you wish to migrate. Once your selection is complete, click ‘Next’ to continue.

      

  • Step 3: Connect to the target Office 365 server

    • Select the ‘Add New Connection’ option to establish a connection with your target Office 365 account.
    • If you have previously set up a connection, you can choose it from the available list and click ‘Connect to Existing’ to proceed.

      

    • EdbMails provides flexible migration capabilities, enabling you to migrate primary mailboxes, archive mailboxes, and public folders efficiently from a single platform.
    • Choose the appropriate connection preferences and click ‘Next’ to proceed with the authentication process.

      

    • Choose one of the available options to establish a secure connection using OAuth 2.0 modern authentication.
    • Select Auto Registration for a quick and seamless configuration. Simply sign in with a Global Admin account and grant the required permissions to automatically register the application in Azure AD.
    • Alternatively, choose Manual Registration if you prefer to enter the Azure AD application details manually. This option supports both Global Admin accounts and accounts that have Full Access permissions.
    • Click the ‘Login’ button to proceed.

      

    • Authenticate on Microsoft sign-in page.

      

    • After the authentication process is successfully completed, choose one of the following methods to load the mailboxes:

      i) Load Mailboxes Automatically: EdbMails automatically loads the mailboxes immediately after login, making the configuration quick and straightforward. If the automatic mailbox list does not return every required target, use the alternative CSV-loading option below and verify the destination mailbox list before continuing.

      ii) Load Mailboxes using CSV file: If the automatic method does not display all mailbox names, select the ‘Load Mailboxes using .CSV file’ option. This allows you to manually choose and load the required mailboxes for migration.

      iii) Load Mailboxes from previous list: You can quickly access mailboxes from the list that was previously imported and saved during your earlier session.

    • Select ‘Load Mailboxes Automatically’ and click ‘Next’ to continue.

      

  • Step 4: Cox email to Office 365 mailboxes mapping

    • Choose one of the available options to map the source and target mailboxes

      

    • You can choose the option to let EdbMails automatically create mailboxes on your target Office 365 tenant if they don’t already exist, simplifying the setup process.
    • EdbMails automatically maps the source and target mailboxes based on matching display names. You can also manually map mailboxes if needed. With manual mapping, the target mailbox folders are fetched and listed, giving you the option to match the source folders with the corresponding target folders or create custom folder mappings as required.

      

  • Step 5: Cox email to Office 365 migration

    • Once the mailboxes are mapped, click the 'Start Migration' button to begin the migration process.

      

    • Click the 'View Logs' button to access the migration report, which provides detailed information on the items migrated from each folder and mailbox. The report includes mapping details, the number of emails migrated, and any issues encountered during the migration process, helping you track and verify the migration of your data.
    • Also log into your target server to verify the migrated items.

      

    • Log in to your target server and verify the items.

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

  to route your email traffic to the target Office 365 server, after the target is validated. Additionally, configure the Autodiscover record to enable Outlook to connect automatically to the migrated mailboxes, and verify user access after cutover.

• 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.

 For troubleshooting, check out our knowledge base articles. If you have additional questions, browse the FAQs or engage with our customer care team for personalized assistance.