How to Migrate Gmail to Office 365 Securely?

  

Rollins Duke   
Published: January 22nd, 2026 • 7 Min Read

Overview: Looking to migrate Gmail to Office 365 securely? You are at the right place. Whether you are switching to Microsoft 365 for advanced security, better compatibility, or business requirements, this guide has got you covered.

In this updated 2026 guide, we will show you Gmail to office 365 migration step-by-step for both manual and automated solutions. Additionally, you’ll learn the reasons and how to use an advanced tool for bulk Gmail to Office 365 migration with attachments, folders and labels intact. So, let’s get started.

Key Reasons to Migrate Gmail to Office 365

Although Gmail (and Google Workspace) is a powerful platform, many business users are switching to Office 365 for greater flexibility and security. Here we have listed some of the top reasons:

• Users can easily collaborate and integrate with Microsoft 365 Office applications such as Outlook, Word, Excel, PowerPoint, Exchange Server, OneDrive, SharePoint, etc.
• Office 365 offers users robust email and calendar management features that are efficient for business purposes.
• Microsoft 365 provides more advanced security features to safeguard business data instead of Gmail i.e. why user transfer Gmail to Office 365?
• Many organizations prefer Microsoft Teams over Google Meet due to its seamless integration with calendars, channels, file sharing, apps and more. It especially provides a complete chat history.
• It gives admins full access or control over user access, permissions, and remote wipe options which is a more advanced platform.

How to Forward Email from Gmail to Office 365 Manually?

The manual procedure to transfer Gmail to Office 365 is quite lengthy and complex.

1. Export Gmail Data via Google Takeout

1. Open Google Takeout on your browser.
2. Navigate to and select the option to Deselect All.
3. Then select only “Mail” among the list given and shown on your screen.
4. After that, click “Next”.
   
5. Choose (export type: one-time, file type & size: .zip).
6. Click “Create Export”.
   

Google will prepare your data and this may take minutes or hours depending upon your mailbox size. Once done, you’ll receive a download link via email.

2. Extract and Locate MBOX File

1. Download the .zip file from the link sent.
2. Extract it and into the folder containing your Gmail data in .mbox files.

3. Convert MBOX to PST Format

1. First, import MBOX into Thunderbird using “ImportExportTools NG” add-on.
2. Then, set up a Gmail email account in Thunderbird.
3. Drag MBOX files to IMAP folders.
4. Then open Outlook and wait for it to sync.
5. In Outlook, move your emails from IMAP to the Office 365 mailbox.

Here’s how you can add Gmail email to Outlook 365 manually via Outlook. While it exists, it is a time-consuming procedure filled with confusion and complexity for a beginner user. To overcome this, we recommend an automated solution, which we have discussed in the section below.

Steps to Transfer Email from Gmail to Office 365

1. Run Gmail to Office 365 migration tool, enter Gmail account credentials and click on the Login button to continue.
   
2. Thereafter, you can see all Gmail folders in the software window, select required folders.
   
3. Choose Office 365 as the saving format to migrate Gmail emails to Office 365.
   
4. After that, enter your Microsoft 365 account credentials and set the advanced settings accordingly.
   
5. Lastly, press the Backup button to continue the process.
   

Characteristics of Gmail to Office 365 Migration Tool

• It is capable to transfer Gmail to Office 365 in bulk at once, saving users’ valuable time and effort from a long process.
• It is a simple software which is a fully automatic toolkit that asks for only both account credentials.
• Users can check or uncheck only specific folders to transfer emails from Gmail to Office 365.
• The tool gives the facility to save messages in default folders and the change language option is also available.
• With the assistance of various filter options, users can easily add Gmail email to Outlook 365 and manage data with Date Range, From, To, Subject, etc.
• It holds all email attributes and attachments during the migration process, i.e. To, Cc, Bcc, From, Date, Time, Year, etc.
• The email backup software provides a live conversion progress report by providing real-time conversion information at the time of migration.
• With the help of the “Split” feature, users can easily bifurcate their emails into smaller parts as they require.
• Due to its’ user-friendly and intuitive interface, both technical and non-technical users can utilize this solution and execute the migration process within a couple of clicks.

Conclusion

The automated migration tool is available with a free demo edition in the online marketplace. The free trial version can migrate only 25 emails from each Gmail folder to Microsoft Office 365. Therefore users can check its working process before purchasing the license keys as it works the same as the pro edition. After getting complete satisfaction, grab its license keys at an affordable price and avoid all the limitations to transfer emails from Gmail to Office 365.