If your Gmail inbox is overflowing with thousands of old messages, you're not alone. Many users face the dreaded "Account storage is full" notification, which prevents sending or receiving emails. The free 15GB storage from Google is shared across Gmail, Google Drive, and Google Photos, and it fills up quickly with attachments and media. But there's a clever solution: transfer your emails to a new Gmail account before Google disables POP3 support later this year.

Why Act Now?

Google plans to end POP3 (Post Office Protocol) support for Gmail. New users lost access in early 2026, and current users will lose it later this year. Once POP3 is gone, the method described below for bulk transferring emails will no longer work. By acting now, you can free up your entire 15GB storage without paying a dime.

How Much Storage Do You Really Use?

Many people don't realize that a single large email with a video attachment can eat up dozens of megabytes. Over years of receiving photos, documents, and newsletters, your inbox can bloat to 10GB or more. The 15GB limit is shared, so if you use Google Photos for backup, you might hit the cap sooner than expected. Upgrading to Google One starts at $20 per year for 100GB, but why pay when you can archive old emails for free?

The Nuclear Option: Transfer to a New Account

Instead of spending hours deleting emails or paying for extra storage, you can create a second Gmail account as a dedicated archive. Using Gmail's built-in POP3 tools, you can pull all old messages from your primary inbox to the new account, then wipe your main account clean. The process takes a couple of days for large inboxes but is straightforward.

Step-by-Step Guide

Step 1: Back Up Your Emails
Before transferring, it's wise to back up using Google Takeout. Visit takeout.google.com, select only Mail, and download a copy to your computer or external drive. For an account with 75,000 messages, this took about two hours.

Step 2: Enable POP in Original Account
Log into your original Gmail account. Click the gear icon → See all settings. Go to Forwarding and POP/IMAP tab. Select "Enable POP for all mail." Under "When messages are accessed with POP," choose "delete Gmail's copy" to automatically remove them from the original account after transfer. Save changes.

Step 3: Create a New Archive Account
Set up a new Gmail account (e.g., yourname.archive@gmail.com). Log into it, go to Settings → See all settings → Accounts and Import tab. Next to "Check mail from other accounts," click "Add a mail account." Enter your original Gmail address, then choose "Import emails from my other account (POP3)."

Step 4: Configure POP3 Settings
Enter your original account password. If it fails (as often happens), you'll need an app password. Go to myaccount.google.com/apppasswords (requires 2-Step Verification), create a new app password named "Transfer Bulk Email," and copy the 16-digit code. Use that app password in the import settings. Set Port to 995, check the boxes for SSL, "Label incoming messages," and "Archive incoming messages (Skip the Inbox)." Click Add Account.

Step 5: Wait for Transfer
Emails begin moving automatically. For 75,000 messages, expect about two days. During this time, you can use your original account normally, but new messages won't be transferred until you add them later (or set up forwarding).

Step 6: Clean Up
After transfer, empty the Trash in your original account (it may contain thousands of now-deleted messages). Check that you've retrieved Drafts and Spam manually, as POP3 doesn't transfer those. Then stop the automatic import: in your new account's settings, under Accounts and Import, delete the linked mail account. Finally, revoke the app password if you created one.

What You Gain

After clearing out old email, your original account's storage usage drops dramatically. In tests, a 12GB account fell to under 1GB, effectively giving back 11GB of free space. You can continue using your primary inbox with no interruptions, while the archive account sits safely for occasional access. Just remember: Google deletes accounts inactive for two years, so sign in at least once every two years to keep the archive alive.

Important Considerations

POP3 only transfers inbox and sent mail (and labels if selected), but not drafts or spam. Drafts must be manually forwarded or saved. Spam is auto-deleted after 30 days, so you can ignore it. Also, after Google turns off POP3, this method becomes impossible. If you have a second account with IMAP, you might still move emails manually, but not in bulk.

This solution is perfect for users who want to avoid subscription fees and dislike the chore of deleting old emails. It's a one-time project that pays off with years of free storage. Start today before the POP3 window closes.

Source: CNET News