Administrator setup for GWMMO

Google Workspace Migration for Microsoft Outlook

This article is for administrators. To begin using GWMMO, go to GWMMO User Help.

You can set up Google Workspace Migration for Microsoft Outlook (GWMMO) for users in your organization so they can import email, calendar, or contact data from a Microsoft Exchange account or PST file.

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Overview & system requirements

Overview

GWMMO lets individual users migrate their own email, calendar, or contact data from Microsoft Exchange or from local PST files to a Google Workspace account. Administrators can also use the command-line version of the product to migrate data on behalf of a single user. Learn more

Note: Only personal contacts are migrated for each user. In order for your Global Address List, including shared contacts, to be available to users, an administrator must migrate the data first with a utility like Google Cloud Directory Sync (GCDS).

Operating system & Outlook requirements

Each computer that runs GWMMO needs to have the following minimum configuration.

Operating system requirements

We recommend that you update to the latest patches for your Microsoft Windows version. 

  • Windows Vista (32 and 64 bit)

    Note: Microsoft no longer supports Windows Vista. We recommend you upgrade to a supported version of Windows.

  • Windows 7 (32 and 64 bit)
  • Windows 8 (32 and 64 bit)
  • Windows 10 (32 and 64 bit)
Unsupported operating systems Notes
macOS Microsoft Outlook for Mac doesn't support the Messaging Application Programming Interface (MAPI), which GWMMO needs to communicate with the Exchange Server or read PST files.
Windows XP
Windows Server 2003
Microsoft no longer supports these versions. Support for them in our data migration and sync products stopped on December 31, 2018. Learn more

Outlook requirements

  • Outlook 2003 SP or 2007 SP2 (or SP1 with hotfix)

    Note: Microsoft no longer supports Outlook 2003 and 2007. We recommend that you upgrade to a supported version of Outlook.

  • Outlook 2010 (32 and 64 bit)
  • Outlook 2013 (32 and 64 bit)
  • Outlook 2016 (32 and 64 bit)
  • Outlook 2019 (32 and 64 bit)
Unsupported Outlook versions Notes
Outlook for Microsoft Exchange Online (Office 365) Switch to a supported computer version of Outlook.
Windows 10 ARM-based PCs—32 (ARM32) and 64 bit (ARM64)  

Set up & install GWMMO

Step 1: Provision your users in Google Workspace

Before your users can migrate data, you have to provision accounts for them in Google Workspace. Learn more

Each user, including administrators, must also sign in to their Google Workspace account at least once, to accept Google's Terms and Conditions.

In addition to provisioning user accounts, you can also:

  • Create nicknames for your users that match aliases they had on your Exchange server
  • Create groups that match the mailing lists on your Exchange server
  • Add domain aliases
Step 2: (Optional) Migrate shared contacts

Before your users migrate their data, you can migrate your shared contacts to Google Workspace so your users have immediate access to your full address list.

For information about migrating contacts, go to Google Cloud Directory Sync.

Step 3: Decide whether to turn on smart features & personalization

Before you migrate data, you need to decide if smart features in Gmail and Google Chat and Meet as well as personalization features in other Google products can use data from Gmail, Chat, and Meet. For certain features to work, such as autosorting in Gmail, smart features and personalization must be turned on in the target account before you migrate data.

Learn more about turning on smart features and personalization.

Step 4: Install GWMMO

After you’ve completed the steps above, your next step is to install GWMMO on each client machine. The default location on each client machine is C:\Program Files\Google\Google Apps Migration.

There are 2 options for installation.

Option 1: Push an MSI file to your users

To do this, download the MSI file from the GWMMO download page. Be sure to pick the correct edition (32 bit or 64 bit) for your users' version of Outlook.

You can then push the MSI file to your users with the software you use to deploy and safeguard your organization's applications.

Your users can then follow these instructions to install the file.

Option 2: Let your users download and install GWMMO themselves

Your users can download the EXE file from the GWMMO download page.

They can then follow these instructions to install the file.

Import data

Run migrations

Run only one instance of the GWMMO on each computer. Also, run only one instance of GWMMO for each user.

For detailed information about using GWMMO to run migrations, go to GWMMO user help.


Google, Google Workspace, and related marks and logos are trademarks of Google LLC. All other company and product names are trademarks of the companies with which they are associated.

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