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Google Workspace Migration for Microsoft Outlook – Complete Guide

  author
Published By Mohit Jha
Nimisha Ramesh
Approved By Nimisha Ramesh
Published On April 23rd, 2026
Reading Time 7 Minutes Reading

Google has an official tool to migrate your Google Workspace data to Microsoft 365, Google Workspace Migration for Microsoft Outlook. What data does this tool migrate, how to use the software, what are the requirements to use this tool, and many other questions will be answered regarding GWMMO in this blog. So, read till the end of the blog.

What is Google Workspace Migration for Microsoft Outlook?

From the name, you can see that it is an official tool that allows you to migrate Google Workspace data to the Outlook application. It is a free tool that is only available for Windows systems. By downloading this program, users can smoothly manually transfer their Google Workspace data to Microsoft Outlook. Here, you can move different data like emails, contacts, and calendars. It is a nice solution for those who want to move their Google Workspace data free of cost.

How does GWMMO work?
The mechanism of Google Workspace Migration for Microsoft Outlook is simple. It has 3 simple steps.

  • First, the software connects with your Google Workspace account.
  • Then, it copies your emails, contacts, and calendars from your user account.
  • Saves the data in your Outlook folder in your drive.

All happens in the background, where it downloads your Google Workspace data for access to Outlook.

Scenarios Where GWMMO is Used

Although it is a good option to transfer your mailbox, contacts, and calendar and easy to use. But it only works in some situations. For example

  • This tool is best for individual users or small teams that want to move their data..
  • To create an archive or backup file to get your Google Workspace emails in the local PST file.
  • When you want a direct option to move your data to the Outlook profile.
  • Admin wants to migrate their data from selective users. Or the users want to move their data.
  • You want your Google Workspace data in your Microsoft Outlook for offline access.
  • Some users use the Google Workspace Migration for Microsoft Outlook for a pilot migration to check if the account is configured properly or not.

These are the common scenarios where GWMMO is used. To use the tool, there are some requirements that you must follow.

Requirements of Google Workspace Migration for Microsoft Outlook Tool

To use the GWMMO tool, you must have a correct operating system (Windows) and Microsoft Outlook. Below, I have mentioned the requirements, so follow them properly.

  • GWMMO Supported Operating Systems: Users can download this tool only on a Windows-based system.
    • It supports Windows 10 or the latest version
    • For the admin environment, Windows Server editions. Hence, this app is not available for macOS. Mac users have to use an alternative solution to migrate their data.
  • Installations of Outlook: Outlook is a must to use Google Workspace Migration for Microsoft Outlook. It usually needs these versions.
    • Outlook 2016
    • Outlook 2019
    • Outlook for Microsoft 365
    • Make sure that Outlook is properly configured with the profile before running your tool.
  • Proper Google Workspace Credentials: To migrate your data, you must have verified the admin credentials of the Google Workspace account and the user email ID and password.
  • Enable Google Settings: For proper migration, you must enable these settings.
    • IMAP access from Gmail settings
    • Allow Google API access
    • Less secure apps’ access, like OAuth for GWMMO, is not needed. These configurations are needed for the secure process. If not, authentication may fail.
  • Appropriate System Resources
    • Recommended 8 GB RAM and a minimum of 4 GB
    • Sufficient CPU performance
    • Adequate Disk Space to store the PST files
  • Use a stable and high-speed internet connection when you migrate your data.
  • Create and verify an Outlook profile and ensure that Outlook is properly working with no errors.
  • Review your Google mailbox size and check that there is no duplication, and remove any unwanted emails.
  • If you are migrating your data for organizations, then you must have admin privileges and may need domain-wide delegations
  • Make sure that GWMMO is not blocked by the firewall or that antivirus software does not interfere with the process.
  • Backup your Google Workspace data before using the tool to prevent any data loss.

Fulfilling these requirements makes the process much easier and smoother. After that, follow the steps to download the software and install it.

How to Download and Install the GWMMO Tool?

  1. First, go to the official site of Google Workspace Migration for Microsoft Outlook.
  2. Click the download button, and the GWMMO.exe starts downloading.
  3. Save the file in your system.
  4. After that, double-click the downloaded file and begin the installation.
  5. Press Next and then Agree to Terms. Hit the Install button.
  6. The GWMMO tool is now installed, open it and start migrating your data.

Simple Steps to Use GWMMO App

  1. Once you launch the tool, enter your Google Workspace email address to sign in.
  2. Also, grant the permissions.
  3. Choose which data you want to transfer: emails, contacts, and calendars.
  4. If you want, you can apply a date filter and exclude spam or junk items.
  5. Click the Migration button. Now the tool starts migrating. After completing the process, exit the tool.

The steps are very simple and easy to follow. It also has amazing features such as.

Features of Google Workspace Migration for Microsoft Outlook

  • The tool migrates emails, contacts, and calendars from Google Workspace.
  • You can perform selective migration with a date filter and exclude junk or spam items.
  • It works with configured Outlook profiles that allow you to directly access your Google Workspace from Microsoft.
  • GWMMO supports OAuth 2.0 so that the credentials are not stored in the software. That gives you safe and authorized access.
  • The GUI of the tool is simple and user-friendly. So anyone can use it.
  • It is a free tool option to move your data from Google Workspace to Outlook.

It is a great tool for users who want to move their Google Workspace emails, contacts, and calendars. But it also has limitations.

Drawbacks of Using GWMMO

It is a manual method to move your data, so it contains limitations as well.

  • With this tool, you can only move one user account. So, it takes a lot of time to move multiple user accounts.
  • It is necessary to properly install Microsoft Outlook and configured. If not, then the tool will not work.
  • When moving the large mailboxes, issues with performance, such as slow processing or errors.
  • GWMMO only moves emails, contacts, and calendars, which is a limited range.
  • It is not ideal for enterprise-level or large-scale migration.

So, manually moving your data can cause problems as well. Therefore, most organizations use, or professionals use, alternative tools of GWMMO

Google Workspace Migration for Microsoft Outlook Alternative

When it comes to moving your data from Google to Microsoft. A Professional tool is a nice option. FreeViewer G Suite to Office 365 Migration Software is a great way to transfer your data. You can move multiple user accounts with permissions. Here, you can transfer emails, contacts, calendars, and documents without any issues. So, as an alternative to GWMMO, this is the best option.

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Final Words

Google Workspace Migration for Microsoft Outlook is a direct option to move your data. With this, users can easily access emails, contacts, and calendars for free. Here, I have provided the requirements to install the tool. Provided steps to download and how to use the software. I also discussed the limitations of using the tool and the alternative option.

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