How to Migrate Mailboxes from Gmail to Office 365?

Last Updated on November 2, 2020 by admin

Gmail to Office 365 Migration can be considered by any user or by a full organization. This can be caused by the rearrangement of the enterprise or office cloud function and performance. Moving data from one location to another is entirely the user’s choice and requirement. The transition from a web client program to a cloud program can be done with manual or as a third-party professional tool. Since users are more likely to try to use the manual procedure for their own satisfaction. Hence, here we have given them a procedure through which they can try it themselves.

Manually Migrating Gmail mailboxes data to Office 365

The following is a list of manual migration procedure given in the order in which you must complete them one after another.

1. Verification of user’s domain in Office 365

Here, users must first confirm with Office 365 that they have a domain that is used on the Gmail account. Follow the steps.

  1. First of all you need to Login to Office 365 account.
  2.  Then on Admin Center page, click on ‘Go to Setup’ button that found near ‘your setup is incomplete’.
  3. Now select Domain, and go to Add Domain.
  4. Select the radio button “I already have a domain name” and then type in your own domain name. Then click ‘Next’.
  5. Now check the domain with two options, Login to go-daddy, or check the TXT record.
  6. First, the user has to sign the go-daddy credentials, and later, when verified, Microsoft manually delivers the TXT value to the user’s domain name.

2. Adding and Licensing the Users to Office 365

At this point, user are required to add users to Office 365, and once they have decided how many customers they need to create or purchase licenses for them before creating Office 365. Go to Admin Center>> Billing>> Subscribe>> License Add / Remove. Then select the number of licenses required for the purchase, which can be a monthly subscription or an annual subscription.

Now users are required to add users to Office 365, navigate to the Admin Center>>Users>> Active Users>> More>> Import multiple users. Here, users can select the option – “download the CSV file with the header and sample user information”, for downloading the sample file and to create a CSV file to add multiple users. This CSV file has all the details based on the header row such as:

# username # name # last name # screen name # job title # section # office number # office phone # cell phone # fax # address # City # State or Province # ZIP or Postal Code # Country or region and specify user details in the following rows.

Once you created the CSV file, click on the browser, and select the file and add it. You can confirm the format by check on the ‘Verify’ tab. After confirming the format, click Next.

How to Migrate Mailboxes from Gmail to Office 365?

Users will be added. Now assign a previously purchased product license to each additional user.

3. Creating List of Gmail mailboxes for migration

Users must have a list of all email addresses in the mailbox, along with passwords, in the Excel sheet in advance. For e-mail addresses, users can log in to Office 365 and go to Users>> Active Users and copy the e-mail address of all created user.

Now create a CSV file that will add user details under the heading – # Email Address, # User Name, # Password, where # Email Address is refer to Office 365 Email Address, # User Name is refer to sign in the name of the Gmail mailbox. # and the password is the password of the Gmail mailbox user.

Migrate Mailboxes from Gmail to Office 365?

4. Establishing a connection between Office 365 and Gmail application

The connection can be made between Office 365 and Gmail, through the last migration points (technical term for the settings needed to create migration connection). Follow the steps below to create the migration required for the connection between the two applications.

  1. Go to the Exchange ‘Admin Center’ and open it.
  2. Now move to Recipients>Migration>more… > Migration endpoint.
  3. Here just click on New+ to create migration endpoint.
  4. Then go to the ‘Select the migration endpoint type’ page and select ‘IMAP’ option.
  5. Now a page will open on the screen – ‘IMAP migration configuration’.
  6. Now, set the IMAP server to to keep the other setting to default and click Next.
  7. If the connection is successful, ‘Enter general information page’ will appear.
  8. Just enter the migration end-point name (let the other blanks get the default value) and click New.
  9. Finally the new migration endpoint will get created.

5. Starting migration with creating a migration batch

Before moving from Gmail to Office 365 during the manual migration process, you need to create a migration batch. Create a migration batch with the following steps:

  1. First login to Office 365, and click on Admin center.
  2. Now move to Admin Centers>>Exchange.
  3. Navigate to Recipients>>Migration.
  4. Now click on New+and go to ‘Migrate to Exchange Online’.
  5. Here, just select ‘IMAP migration’ and click on ‘Next’.
  6. Now a ‘Select Users’ page will get opened, click ‘Browse’.
  7. Now choose and add the migration file created in step 3.
  8. Office 365 will start verifying the file with different criteria. If the file is good, it will display information on the number of mailboxes for migration. Click Next.
  9. Now on the next page that will open, select the previously created migration end-point and click ‘Next’ button.
  10. The IMAP migration configuration page will appear. Select the default values and click Next.
  11. Then on the ‘Move configuration page’, enter the migration batch name, use the filter settings (if necessary) and click ‘Next’.
  12. The ‘Start the Batch’ page will open. Here you can select the address to receive notifications about migration, click on the Brows button. And go to automatic start batch> new. Migration begins and status shows synchronization.
How to Migrate Mailboxes from Gmail to Office 365?

So it started migrating Gmail mailboxes to the office and it will take some time to complete. Users can visit Exchange ‘Admin Center’, if they want to check the migration status. Users can do it by navigating to attractions> migration and check how much status has been updated in Syncd.

The work is not over yet. To ensure smooth & successful migration, each users who want to migrate must follow the steps:

  • Login to Office 365 account with username and temporary password.
  • Update the password and set the correct time zone.
  • Open Outlook Web App and send an email to another Office 365 user and in Outlook, check all folder.

The manual migration process we have discussed above can be performed, but only if the users or organization has enough time. Also, there is a chance of mistakes with such a long process. Technical knowledge is in demand here. For busy users and the emergency scenario, a professional third-party tool such as an IMAP to Office 365 migration tool is recommended. The advanced program is available and comes with an intellectual filter options. So if you are looking for reliable migration without error, consider this tool freely.

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