How to Migrate Email from Fastmail to Google Workspace?
Migrating from Fastmail to Google Workspace can be complex due to different email servers or different types of data structure. Many users are searching for the correct approach to easily transfer FastMail emails to Google Workspace by using manual and FastMail to Google Workspace Migration Tool for faster and accurate migration.
Without proper planning, Fastmail to Google Workspace migration can lead to missing emails, folder sync, extended downtime, and business communication disruption. These issues often surface mid-migration, increasing risk and recovery efforts.
This guide offers tested and trusted methods to migrate Fastmail to Google Workspace methods. So, read it till the find to opt the solution as per your needs to easily transfer Fastmail emails to Google Workspace.
What Is Fastmail and Why Move to Google Workspace?
Fastmail is a secure, advanced level of email hosting service that offers faster performance, business domains, and strong spam detection features. It’s too popular in both individuals and organizations as it offers ad-free email service.
Google Workspace offers Gmail with powerful search, large storage, advanced Google tools like Google Drive, Google Docs, Google Meet and advanced admin controls. It is especially reliable for small as well as large scale businesses.
Users often move from Fastmail to Google Workspace for better collaboration, larger storage, easier user management, improved integrations and the need for a unified productivity ecosystem as teams expand.
Manual Method– Migrate Fastmail to Google Workspace Using IMAP
If you are friendly with Gmail Import Mail and contacts then you can follow this approach but before opting manually do check its drawbacks as discussed after the solution.
- Open Gmail and click on the Gear icon.
- Hit on See All Settings and press on Accounts and Import.
- Select Import Mail and Contacts and in POP-up enter Fastmail email address.
- Click on Continue then enter FastMail password.
- Now, Select data as you want to import and enter IMAP details to successfully verify the account.
- Hit on Start Import to start migrating Fastmail to Google Workspace.
Demerits of DIY Methods
- It sometimes works and sometimes doesn’t work.
- Major possibility of data loss during Fastmail to Google Workspace Migration.
- The original folder and email structure from Fastmail is mostly not maintained after migration.
Automated Method- How to Transfer Fastmail Emails to Google Workspace?
As you are now familiar with the limitations of manual method. So, to overcome these challenges we recommend you to choose SysTools IMAP to GSuite Migration Tool to easily transfer all your FastMail mailbox with maintained attributes and folder structure. To use this utility directly download this tool by clicking on the download button and accept all required permissions to successfully launch it.
- Run Recommended Software and and select IMAP as source.

- Then, Select Google Workspace as destination and press Next button.
- Enter Fastmail login credentials and fill IMAP details.
- Fill Google Workspace credentials to connect accounts.
- Hit on Next again to start Transfer Fastmail emails to Google Workspace.
Key Features of Fastmail to Google Workspace Migration Tool
- It allows you to migrate all mailbox folders, including Inbox, Sent, Drafts, or any custom folder, along with attachments.
- This software can easily migrate any number of users without limitations.
- It preserves mailbox folder structure exactly as it appears in the Fastmail.
- You can also transfer selective folders according to your needs.
- The software supports migrating newly received emails to easily migrate newly received data without transfer complete mailbox again.
Manual vs Tool-Based Migration
| Factor | Manual Migration | Automated Method |
| Time | Slow for large mailboxes; can take hours or days | Fast and automated; handles bulk mailboxes quickly |
| Data Coverage | Emails only; limited support for contacts, calendars, tasks | Complete migration: emails, folders, contacts, calendars, attachments |
| Risk | Higher risk of data loss, folder misalignment, sync errors | Minimal risk; preserves structure and integrity |
| Skill Level | Requires technical knowledge and careful setup | Easy to use; minimal technical expertise needed |
Post-Migration Checklist
- Verify all your Fastmail mailbox data appears correctly in Google Workspace with the original structure.
- Check all attachments are maintained and accessible in each email.
- Search new emails to confirm that new emails are successfully imported in Google Workspace account.
Final Recommendation
In this guide, we have shared all crucial information about migrating Fastmail to Google Workspace. For small mailboxes or have not much more important data then you can try manual methods. Large mailboxes or email records that you shouldn’t take risk then you can opt automated methods to easily and successfully transfer Fastmail emails to Google Workspace without any data loss.