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Written By
Simran Bhatia -
Approved By
Sonika Rawat -
Updated on
July 16th, 2025 -
Read Time
6 minutes
Summary: Need to archive Gmail communications from many accounts in a native, accessible system? Have you tried the flexible and offline accessible Mozilla Thunderbird? If not, and to import Gmail to Thunderbird in bulk for backup, audit needs, or a departmental switch. Try the manual IMAP sync or the Gmail Backup Tool methods explained in this guide.
During the Gmail to Thunderbird migration, most users only focus on email access, but there’s more to it. Once the Gmail data is synced in another profile, like Thunderbird, the data is stored in a local folder. It helps make the entire mailbox portable across devices without resyncs or re-import.
Now, the question is, why does it matter?
This Gmail email to Thunderbird import matters for the following reasons:
Real-World Case:
“A consultancy firm managing 250+ contractors across 4 continents needed email access during remote audits in low-connectivity zones. What they did was import Gmail to Thunderbird once and distribute the profiles via encrypted drives. This enabled full email access without exposing their primary Gmail environment or risking any sync failures.”
As explained above, an IMAP sync procedure and an automated help with the Gmail migration to a Thunderbird account. But the issue is that the manual IMAP process only moves the emails, attachments, flags, and Gmail labels. It doesn’t include other items like contacts, chat messages, and calendars. Moreover, it requires some prerequisites that everyone must follow before the import.
Gmail IMAP Prequisites That Users Generally Miss
This section briefs the IMAP configuration of Gmail and Thunderbird for the import step by step as follows:
Note: Since the IMAP sync is from the server itself, any data from Gmail isn’t deleted. Unless you manually do it from either Gmail or Thunderbird.
Well, this free method to migrate Gmail to Thunderbird is quite easy and convenient. But you will come across a few cons too in this process.
For teams dealing with large client inboxes, shared mailboxes, and legacy user accounts, repeating steps can be quite hectic. Also, it is an unproductive and error-prone solution with risks. This is where the automatic SysInfo Gmail Backup Tool comes as a useful source. It transfers single and multiple Gmail accounts simultaneously with complete accuracy and retains folder structure.
Beyond this, it also gives support to all technical and non-technical users for selective import. Moreover, it’s capable enough to migrate Gmail to Office 365 and integrate with G Suite too. One of its best use examples is:
“ A marketing team migrating 30+ Gmail accounts used this Gmail Email Backup Tool. They batch imported data 4x faster without duplication.”
Need something similar for your business Gmail migration needs? Access the customized deployment guide below or reach our tech support.
Know How to Import Gmail Emails to Thunderbird
Import Gmail to Thunderbird is a very simple and straightforward process, whether you do it manually or professionally. By setting the Gmail IMAP needs properly, you can import the files, but it still has some flaws. Instead, use the professional software and ensure secure, accurate, and fast migrations ideal for client onboarding, audits, and archives.
Ans- Yes, the Thunderbird application directly syncs Gmail folders if it has IMAP enabled. You just need to add the Gmail account manually to Thunderbird for the IMAP sync.
Ans- Yes, of course. With Gmail to Thunderbird Backup Tool, move Gmail emails, contacts, calendars, labels, etc., in bulk. It has no restrictions on the mailbox size and retains the quality when moved to Thunderbird.
Ans- Yes. Import Gmail mails to Thunderbird on macOS without difficulties with the Gmail Migrator Tool. It is highly compatible and supports all operating system environments and versions.
About The Author:
Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content. With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms.
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