How to Backup Google Workspace Emails
Summary: To back up Google Workspace emails (formerly G Suite), you have three main options. First, use Google Takeout for a one-time MBOX export. Next, sync IMAP to a desktop client such as Outlook or Thunderbird. Finally, use a dedicated tool like Email Backup Wizard to download mailboxes to PST, EML, MBOX, PDF, or MSG.
- Google now requires OAuth or an app password for IMAP since May 2022.
- A 4 GB mailbox takes roughly 22 minutes on a 50 Mbps line.
- Folder labels, attachments, and read state are preserved in all methods.
Why back up Google Workspace emails?
Google Workspace keeps your mail on Google’s servers. However, native protections cover infrastructure failure only. As a result, accidental deletion, ransomware, and offboarding gaps still happen. A local backup closes those holes.
Employee offboarding and legal hold
When an employee leaves, Workspace can wipe the account on offboarding. Therefore, you lose every message unless a backup exists. A local archive also satisfies legal hold and eDiscovery requests.
Accidental deletion and retention gaps
Gmail Trash holds deleted items for only 30 days. After that, the message is gone for good. In addition, Google Vault retention rules can purge old mail automatically. A backup keeps a copy outside those policies.
Offline access and disaster recovery
If your tenant is suspended for billing, policy, or a security incident, you lose web access at once. However, a PST or MBOX archive on local storage stays readable. As a result, your team can keep working from Outlook or Thunderbird.
What is the fastest way to back up Google Workspace?
Four methods cover almost every scenario. The table below compares them on cost, output, and best-fit use case.
| Method | Cost | Output formats | Multi-user | Scheduled | Best for |
|---|---|---|---|---|---|
| Google Takeout | Free | MBOX, JSON | No | No | One-time personal export |
| IMAP sync to Outlook/Thunderbird | Free | PST / MBOX | One at a time | No | Ongoing personal mirror |
| Admin Console Data Export | Free (admins only) | MBOX | All users | No | Domain-wide one-time export |
| Email Backup Wizard | Paid | PST, EML, MBOX, PDF, MSG, HTML, and 25+ more | Yes | Yes | Multi-user, scheduled, format-flexible backups |
How do I back up Google Workspace as an admin?
Workspace administrators can export every user’s data in one job. In short, the export covers Gmail, Drive, Calendar, Contacts, and a dozen other services.
Step 1: Open the Data Export tool
First, sign in at admin.google.com with a super-admin account. Then, go to Data > Data import & export > Data Export. Note: this option appears only after the tenant is at least 30 days old and the super-admin has 2-Step Verification enforced.
Step 2: Start the export
Click Start export and confirm the request. Google queues the job in the background. As a result, processing can take three to nine days. Google emails the super-admin when archives are ready.
Step 3: Download the archives
Each user gets a separate ZIP. The ZIP contains MBOX files for Gmail plus other per-service data. Archives stay available for 30 days, then expire. Therefore, download them to local or cloud storage you control without delay.
For full details, see Google’s Data Export tool documentation.
How do I back up a single Google Workspace mailbox over IMAP?
For one-mailbox backups, IMAP sync to Outlook or Thunderbird is the fastest free path. However, authentication is the catch. Google blocked plain-password IMAP back in May 2022.
Generate an app password or use OAuth
If 2-Step Verification is on, open Google Account > Security > 2-Step Verification > App passwords. Then, generate a 16-character password just for the email client. Modern clients such as Outlook 2021 and Thunderbird 102+ support OAuth directly. As a result, you can sign in through the browser pop-up and skip the app password entirely.
Configure IMAP settings
- Server:
imap.gmail.com - Port: 993
- Encryption: SSL/TLS
- Username: full Workspace email address
- Password: app password or OAuth token
Once IMAP syncs, drag the entire account folder in Outlook to a local .pst file. Alternatively, in Thunderbird use Tools > Export. The Gmail IMAP reference lives on Google’s help page.
How to back up Google Workspace emails with Email Backup Wizard
Email Backup Wizard handles the OAuth handshake, batch downloads, format conversion, and scheduling in a single Windows app. The full process is four steps.
Step 1: Add your Google Workspace account
Launch the app, then choose Google Workspace from the source list. The OAuth window opens in your default browser. Next, sign in with the Workspace account you want to back up. Finally, approve the read-only Gmail scope.
Step 2: Select folders, labels, and date range
The folder tree loads with every Gmail label, including system labels (Inbox, Sent, Drafts, All Mail) and custom labels. Check the ones you want to back up. In addition, the date-range filter lets you limit the export to a window such as the last 12 months.
Step 3: Choose an output format
Pick one of 30+ formats. The most common choices for Workspace backups are:
- PST: opens in Outlook on Windows or Mac. Best when you plan to import the backup into another mailbox later.
- EML: one file per email. Opens in almost any client. Best for granular legal hold.
- MBOX: a single concatenated file per folder. Compatible with Thunderbird, Apple Mail, and most open-source archivers.
- PDF: non-editable and prints cleanly. Best for compliance evidence.
- MSG: one Outlook-format file per email.
Step 4: Start and verify the backup
Click Start backup. The progress bar shows live message count and current folder. When the job finishes, open the destination folder. Then verify the count matches the source. The tool also writes a log file listing every message ID it processed, which is useful for audit trails.
Output formats compared: PST vs EML vs MBOX vs PDF
The right format depends on what you will do with the backup later.
- Need to restore into another Outlook or Microsoft 365 mailbox? Choose PST.
- Need to restore into Thunderbird, Apple Mail, or a Linux client? Choose MBOX.
- Need per-message granularity for e-discovery? Choose EML or MSG.
- Need a non-editable archive for compliance or audit? Choose PDF.
- Need to browse the archive in a normal browser? Choose HTML.
How long does a Google Workspace backup take?
Backup time depends on mailbox size, connection speed, and the chosen output format. The benchmarks below assume a 50 Mbps connection:
- 1 GB mailbox (roughly 8,000 emails): 5 to 7 minutes
- 4 GB mailbox (roughly 32,000 emails): 22 minutes
- 15 GB mailbox (roughly 120,000 emails): 85 minutes
- 50 GB mailbox (large Workspace Enterprise account): 5 to 6 hours
PDF output is 30 to 40 percent slower than MBOX or EML. The reason is simple: each message is rendered individually. Therefore, scheduled jobs running overnight avoid the bandwidth hit during business hours.
Common Google Workspace backup errors and fixes
“Less secure app” or authentication errors
Google retired “less secure apps” access in May 2022. If you see this error, switch to OAuth (preferred). Otherwise, generate an app password under your Google account’s 2-Step Verification settings.
IMAP rate-limit or throttle errors
Google throttles IMAP at roughly 2,500 MB per day per account. If you hit the limit mid-backup, the tool pauses and resumes the next day. To avoid this, schedule large backups in batches. Alternatively, run them during off-peak hours.
Partial download or interrupted backup
Check the log file for the last successfully processed message ID. Then restart the job with a date filter starting from that point. Email Backup Wizard supports resume-from-last-message for interrupted jobs.
Frequently asked questions
Can I back up only specific Gmail labels?
Yes. The folder selection screen in Email Backup Wizard lists every Gmail label, including nested labels. Check only the labels you want to include. In addition, date filters apply on top of the label selection.
Does this work with Google Workspace two-factor authentication?
Yes. Use OAuth sign-in, which launches a browser window for normal sign-in, including the 2FA prompt. Alternatively, generate an app password under Google Account > Security > 2-Step Verification > App passwords.
Where are the backed-up files saved on disk?
You choose the destination folder at the start of each backup job. The default is C:\Users\<you>\Documents\EmailBackup\. Inside, the tool creates one subfolder per Gmail label, which preserves the full folder tree.
Can I schedule automatic Google Workspace backups?
Yes. The scheduler runs daily, weekly, or monthly. Each run downloads only new messages since the last backup. As a result, incremental runs finish in seconds for small inboxes.
Is Google Workspace data fully recoverable from a backup?
Yes for Gmail messages, attachments, folder labels, read state, and basic metadata. However, Vault holds, retention policies, and Workspace Client-Side Encryption are not exported through standard IMAP. Therefore, those need admin-level Vault exports instead.
Next steps
If you also need to back up Gmail consumer accounts (non-Workspace), see our guide on how to backup Gmail account emails. To export the same Workspace mailbox into a PST file for Outlook on a different machine, see export Google Workspace to PST. If you are planning a full move off Google, our guide on migrating Google Workspace to Microsoft 365 covers the cutover end-to-end. To save Gmail messages as searchable PDFs, see bulk export Gmail emails to PDF.