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Written By
Suman Rawat -
Approved By
Sonika Rawat -
Updated on
October 27th, 2025 -
Read Time
6 minutes
Many professionals have abandoned ad monetized email ecosystems like Gmail in favor of secure independent providers like FastMail. Yet the challenge is to migrate years of archived emails, attachments, and labels from Gmail to FastMail without any loss. Also, the decision to migrate Gmail to FastMail involves data continuity, message integrity, and zero downtime during the migration process. This guide examines free manual options and a professional Gmail Backup Tool for efficient, reliable, and secure migration.
Gmail is a leader in the email stack, but it has trade-offs. Professionals, as well as privacy-minded users, have moved to FastMail for various reasons, including:
The following users mostly require this email client migration:
We have a manual method and a professional tool used to perform the migration. Both methods enable a successful data transfer and work for Mac and Windows OS. The step-by-step process for these methods is explained in the upcoming part.
The free methods are categorized into two sections using both email clients one by one. You need to follow the steps below for the transfer:
All the selected data will move to the Fastmail account from Gmail directly.
For advanced users focused on data integrity, privacy, and authenticity, who need a hassle-free process. They can download the SysInfo Gmail Backup Tool and simplify and accelerate the migration with a few steps in minimal time. All while retaining the folder structure, email content, and attachments. Moreover, it allows migration of multiple accounts simultaneously with no mailbox size limitation and has an easy-to-use interface, suited to everyone.
Note: To log in to your Gmail securely, the tool asks for an App Password. Also, for secure Google authentication on the browser, ensure your account is logged in beforehand on the web.
Working Procedure to Migrate from Gmail to FastMail
Pro Tip: For mass user migration, you can upload a CSV file that maps Gmail accounts to FastMail accounts. Doing so will entirely automate the process in one batch mode.
Successful Case
A digital design agency with 60+ Gmail accounts switched to FastMail in an instant to gain more privacy and control over the team. For this, they used the Gmail Email Backup Tool to fully transfer emails from Gmail to FastMail
while maintaining their folder hierarchy structure, their timestamps, and all communications without workflow interruption. The IT administrator estimated that they saved a lot of time compared to transferring everything manually.
The manual method works perfectly well for individual users to migrate Gmail to Fastmail. But with enterprises and large businesses, the automated backup tool provides incredible precision, speed, and compliance. When it comes to individual user migrations, FastMail’s own built-in importer is safe and reliable. But when it comes to migration across multiple users or when your data is sensitive or regulated, the Gmail Migrator Tool has remarkable advantages to provide data verification, security, and scalability long-term.
Ans- No. After an account migrates to FastMail, there is no live sync to allow new emails in Gmail to transfer into FastMail accounts. Your existing Gmail needs either to be migrated again or set up forwarding.
Ans- With Gmail’s Forwarding, only new emails are transferred and not the old ones. And the FastMail import moves only a specific data volume. So, for the entire mailbox transfer, use the SysInfo Gmail Mail Backup Software.
Ans- Yes, the manual methods are absolutely free. Also, the Gmail Backup Software has a Demo Version which lets you migrate Gmail to FastMail upto 50 emails per folder at no cost with other benefits.
About The Author:
Suman Rawat is a technical content writer and expert in the fields of email migration, data recovery, and email backup. Her passion for helping people has led her to resolve many user queries related to data conversion and cloud backup.
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