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How to Migrate Google Workspace to Office 365? Step-by-Step

  Rollins Duke
Rollins Duke   
Published: November 14th, 2025 • 9 Min Read
Overview: Are you looking for a reliable, secure, and fast way to migrate Google Workspace to Office 365? Google Workspace to Office 365 migration is an important step for businesses. In this guide, we have covered everything you need to know, from prerequisites to, exact order of operations you need to follow to transfer Google Workspace to Microsoft 365, and how to verify a successful Google Workspace migration to Office 365.
Table of Content
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  1. Why Migrate?
  2. Migration Prerequisites
  3. Manual Steps to Migrate from Google Workspace to O365
  4. Limitations of Manual Migration
  5. Smart Way: Google Workspace to Office 365 Migration Tool
  6. Benefits of the Advanced Tool
  7. Steps for Google Workspace to Office 365 Migration
  8. Optional Tips
  9. FAQs
  10. Final Thoughts

As enterprises grow, many choose to migrate from Google Workspace to Office 365. This is because Office 365(Updated name of business Microsoft 365 package) offers advantages like Scalability, Centralized Admin Control, & Enterprise Security.

Though businesses prefer to migrate from Google Workspace to Office 365. They sometimes find it challenging, as there is a risk of data loss, authentication errors & even user downtime.

But no need to worry, though there are manual ways to migrate Google Workspace to Office 365, i.e., using API/ OAuth connection or using Exchange Online PowerShell, which can be tricky.

Professional tools like the Google Workspace to Office 365 migration tool prove to be an easy-to-use, quick, and secure way to transfer from Google Workspace data to Microsoft 365.

Let us discuss the Google Workspace to Office 365 migration step by step.

Why Migrate Google Workspace To Office 365?

Here are the reasons why your enterprise may have decided to migrate from Google Workspace to Office 365:

  • Office 365 offers additional tools like Exchange Online, Teams, and SharePoint.
  • For security reasons, as Office 365 offers Advanced Threat Protection, Data Loss Prevention, end-to-end encryption for emails, and compliance reporting for HIPAA, GDPR, FINRA, etc.
  • Businesses migrate from Google Workspace to O365 as Microsoft 365 is considered to be standard in many enterprises.
  • Detailed admin, user policy, and rules enforcement.
  • Can easily migrate Cloud Office 365 to an on-premises Exchange server in the future.

Whatever your reason may be, we have got you covered by discussing the exact order or operation you need to follow to migrate Google Workspace to Office 365.

Google Workspace To Microsoft 365 Migration Prerequisites

If you need to fully migrate Google Workspace to Office 365 free of cost using manual setup, ensure you have the following prerequisites:

#1 Microsoft 365 / Exchange Online Requirements 

  • An active O365 subscription for all the mailboxes.
  • Domain verified and configured in the Microsoft 365 admin center.
  • Global Admin login credentials.
  • Suggestion: Creating a Migration Endpoint beforehand can help speed up the process of Google Workspace to Office 365 migration.

#2 Google Workspace Requirements

  • Super Admin account credentials
  • Ensure that the Gmail API is enabled.
  • Suggestion: Turn OFF retention/MRM policies in Google Workspace when you transfer from Google Workspace to Microsoft 365 to avoid unnecessary flags like perceived data loss.

#3 OAuth 2.0 JSON File

An OAuth 2.0 JSON File is to be created and downloaded via the Google Cloud Platform. You will need it to validate the API later on.

Here are the steps to do so

  1. Open Google Cloud Console.
  2. Log in as a Super Admin.
  3. Click on Three Horizontal Lines.
  4. Press IAM & Admin and choose the Create Project option.
  5. Enter a Name >> Select the location & click Create.
  6. Open your Project and navigate to APIs & Services >> Library.
  7. Look for the Gmail API and enable.
  8. Go to the API & Services page of your new project.
  9. Choose the Credentials menu >> Create Credentials.
  10. Choose OAuth. Select Application Type >> Desktop App, give it a name, & click Create
  11. After creation, click Download JSON to migrate Google Workspace to Office 365.

#4 CSV list of all the users you want to import in batches. 

Once you have successfully collected all the prerequisites for the Google Workspace to Office 365 migration. Let us now discuss how you can migrate Office 365 emails with Attachments, Contacts, & Calendars to Google Workspace.

Migrate Google Workspace to Office 365 Step- By- Step 

  1. Go to Microsoft Admin Center >> Show All and then press Exchange to open Microsoft Exchange Admin Center.
  2. Choose Migration Option from the left Panel. You will land on Migration Batches page.
  3. Click on Add Migration Batch. Enter batch name.
  4. Choose Migration to Exchange Online from Path. Then Next.
  5. Choose Google Workspace(Gmail) as the migration type to transfer from Google Workspace to Microsoft 365. Click Next at the bottom.
  6. Click Start on the Prerequisites Page.
  7. Log in to Google Workspace as Super Admin >> Continue.
  8. Click on the small link to add API access.
  9. You will land API access page of “Google Admin Console” >> Choose “Add New“.
  10. Copy the client ID and scope from Microsoft Exchange Admin center’s Prerequisites page and enter Client ID and Scope in the OAuth Scope page >> Authorise 
  11. Go back to the Microsoft Exchange Admin Center’s Prerequisites page >> Next to migrate email from Google Workspace to Office 365.
  12. If you have created an endpoint earlier for Google Workspace To Office 365 Migration, choose that or create a new one. Click Next.
  13. On Gmail Migration configuration page, enter the Email ID of the Super Admin.
  14. Select the OAuth 2.0 JSON File we have generated earlier to migrate Google Workspace to Office 365 in Google Cloud console.
  15. Import the CSV File of mailboxes you want to migrate >> choose the CSV file.
  16. Enter the name of the target delivery domain >> Next.
  17. Choose who to send the Google Workspace to Office 365 migration report to, and check all the Mail, Calendar, Rules, and Contact boxes.
  18. Finally, “Start Migration”.
  19. Go back to the Migration Page of the Exchange Admin Center.
  20. Check the status; if it shows Synced. Select the Migration Batch you have created earlier.
  21. Click complete migration on top >> confirm to migrate Google Workspace to Office 365.

Limitations of Manually Migrating Google Workspace to Microsoft 365

The above-mentioned method is efficient and can migrate from Google Workspace to Office 365 with email attachments, contacts, calendar, and rules. It has certain limitations.

  • It can be extremely time-consuming to migrate Google Workspace to Office 365, as it is suggested to be done in batches.
  • There are chances of API and authentication errors.
  • Not suited for non-technical users.
  • There is no option to selectively migrate from Google Workspace to Office 365.
  • When migrating in large batches, there is a risk of data loss, especially attachments.
  • Can lead to perceived data loss flags if MRMs are enabled.

Pro Way: Google Workspace To Microsoft 365 Migration

Use BitRecover Google Workspace Migration Tool, an advanced tool to migrate Google Workspace to Office 365 with 100% data security, complete migration of contacts, and email with attachments, metadata, and folder structure preserved from Google Workspace to Office 365.

Get the advanced Google Workspace to Office 365 Migration Tool. Free Trial also available.

Advantages of Google Workspace to Microsoft 365 Migration Tool 

This utility comes with many excellent and advanced features, such as:

  • Migrate email from Google Workspace to Office 365 with attachments and contacts.
  • 24/7 Tech support to help migrate Google Workspace to Office 365.
  • 100% secure, following international standards of data security. Keep your data local.
  • Can help you transfer from Google Workspace to Microsoft 365, even if you are facing some issues logging in.
  • Use the “I am Admin” to migrate Google Workspace to Office 365 accounts in bulk.
  • Simple to use, does not require any technical skills or setup.
  • The tool for transferring Google Workspace to Office 365 is fully compatible with all versions of the Windows OS.
  • You can request additional features to better meet your business needs.
  • Advanced filters to helps selectively migrate google workspace to Office 365.

How to Migrate Google Workspace to Office 365? Steps 

Here is the step-by-step guide you can follow to transfer from Google Workspace to Microsoft 365 using the Google Workspace to Office 365 Migration Tool.

  1. Download, install, and run Google Workspace Backup Wizard on your computer. Choose “I am admin.”migrate Google Workspace to Office 365 using tool
  2. Enter Email Address, Service Account ID, and Certificate.
    Provide your Google Workspace credentials, Service Account ID, and upload the OAuth certificate to authenticate a secure connection for Google Workspace to Office 365 migration
  3. Select specific users whose data you want to migrate from Google Workspace to Office 365.
    Choose the user accounts you want to migrate from Google Workspace to Office 365, ensuring only relevant mailboxes are transferred.
  4. Choose Office 365 from the savings option.
  5. Select the I am admin option.
  6. Enter the email ID of the Office 365 Admin account conducting the Google Workspace migration to O365.
  7. You can use advanced filters if needed to selectively migrate Google Workspace to Office 365.Apply advanced filters like date range or specific folders to migrate Google Workspace to Office 365 selectively and efficiently
  8. Click on the Backup button to start the process.  Finally, click on the Backup button to initiate the process. The tool will begin to

Optional Tips to Migrate From Google Workspace to Office 365

  • Always batch-migrate data from Google Workspace to Office 365.
  • Do not end the subscription to Google Workspace instantly after you migrate from Google Workspace to O365.
  • Make sure to keep a backup of your Google Workspace account.
  • Always verify id all the data has been migrated properly after migration, rather than only relying on reports.

Note: Earlier, people used methods like IMAP to migrate from Google Workspace to Office 365, but those methods are now outdated. While you can still perform a Google Workspace migration to Microsoft 365 or Office 365 using Exchange Online PowerShell, it can be extremely complicated for new users.

FAQs: Google Workspace to Microsoft 365 Migration

Q1: I want to move only Google Workspace Inbox emails to Office 365. How can I do that?

First, you need to download and run the tool on a Windows-based machine. Then, follow a few steps:

  1. Select Google Workspace from the email source.
  2. Enter the credentials of the Google Workspace account.
  3. Select the Inbox folder and Office 365 as a saving option.
  4. Enter the Microsoft 365 credentials.
  5. Click on the backup button.

Q2: How many emails can I migrate from Google Workspace to Office 365 with the free trial version?

With the free trial, you can move 25 emails from Google Workspace to an O365 account.

Q3: How do I know that all my emails are being migrated from Google Workspace to my Office 365 account?

Once your emails have been migrated from Google Workspace to Office 365, a pop-up will appear with a completion message. Click OK, and you will receive a log report to ensure that all your emails are migrated from the Google Workspace account to the O365 account.

Conclusion

Hence, you can easily migrate Google Workspace to Office 365 account without any alterations. The migration tool is a great utility and has many great features to simplify this task. Also, all your data is 100% safe and secure with this application. You can fix any problems with transferring from Google Workspace to Office 365 with this tool.

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