If your Gmail inbox is overflowing and you're tired of seeing "storage full" warnings, now is the time to act. Google is ending support for the POP3 protocol later this year, which currently allows you to automatically transfer all your old messages from one Gmail account to another. Once that change happens, moving your emails will become significantly harder. But by taking a few steps now, you can reclaim your free 15GB of storage without paying a dime.

Why Your Gmail Storage Gets Full

Every free Gmail account comes with 15GB of storage, but that space isn't just for emails. It's shared across Google Drive and Google Photos as well. If you frequently send or receive large attachments, or if you back up photos and videos from your phone, that 15GB fills up quickly. Once it's full, you can't send or receive new emails until you free up space. You could upgrade to a Google One plan starting at $20 per year for 100GB, but that means paying for old emails you might never look at again.

The Smart Alternative: Transfer Messages to a New Account

Instead of deleting everything or paying for storage, you can create a second free Gmail account to serve as an archive. Using Gmail's built-in POP3 tools, you can pull every old message from your primary inbox into the new archive account. After the transfer, you wipe your main account clean, essentially getting a fresh start with all your storage back. The key is to do this now while Google still supports POP3 for existing users. New users lost access in early 2026, but current users can still use the protocol until it's fully retired later this year.

Step-by-Step Guide to Transfer Your Gmail Messages

Before you start, back up your emails using Google Takeout. This creates a downloadable copy of all your messages, which you can store on your computer or an external hard drive. The download can take a couple of hours, depending on how many emails you have. Once that's done, follow these steps:

Step 1: Enable POP3 on Your Original Account

Log into your original Gmail account. Click the gear icon in the top right, then select "See all settings." Go to the "Forwarding and POP/IMAP" tab, and choose "Enable POP for all mail." Under "When messages are accessed with POP," select "Delete Gmail's copy" to automatically remove emails from your original account after the transfer. Save changes.

Step 2: Create Your Archive Account

Set up a new Gmail account. This will be your dedicated archive where all old emails will be stored. Make sure you remember the login details.

Step 3: Configure the New Account to Import Emails

Log into your new archive account, go to Settings > See all settings, then select the "Accounts and Import" tab. Next to "Check mail from other accounts," click "Add a mail account." In the pop-up window, enter your original Gmail address. Choose "Import emails from my other account (POP3)." Enter the password of your original account. You may need a Google app password (explained below). Set the port to 995, check the boxes for "Always use a secure connection (SSL)," "Label incoming messages," and "Archive incoming messages (Skip the Inbox)." Click "Add account."

Step 4: Create a Google App Password (If Needed)

Standard passwords often don't work for POP3 transfers. If yours doesn't, go to https://myaccount.google.com/apppasswords (you must have 2-Step Verification enabled). Name the password (e.g., "Email Transfer"), create it, and copy the 16-digit passcode. Use this in place of your regular password when setting up the import. Note: this password is shown only once, so write it down. After the transfer, you can delete it.

Step 5: Wait for the Transfer

Once the accounts are linked, emails will begin transferring automatically. The time depends on how many messages you have. In a test with 75,000 messages, it took two full days. You can check progress by looking at the new account's inbox or labels. After the transfer, your original account will place all those messages in the Trash folder. You'll need to empty the Trash manually, which may take an hour or more.

What Gets Transferred (and What Doesn't)

All inbox messages, sent mail, and labels are transferred. However, Drafts and Spam are not moved. Drafts you'll need to handle manually. Spam messages are automatically deleted after 30 days, so you can either ignore them or delete them manually after the move.

After the Transfer: Final Steps

Once the import is complete, you should stop the automatic syncing so you can use your original account normally. Go to your new account's Settings > Accounts and Import, find your original account under "Check mail from other accounts," and click "delete." Confirm the removal. If you created an app password, go back to the app passwords page and delete it. Your original account now has a clean inbox and nearly all of its 15GB storage back.

One important caveat: Google will delete accounts that have been inactive for two years. So if you're using the archive account only as a backup, make sure to log in at least once every two years to keep it active. You can also set up a recurring reminder to do so.

This method gives you a free storage upgrade without deleting any of your old messages. Just be sure to complete the process before Google fully retires POP3 support later this year. If you miss that window, you'll have to rely on other methods like manual forwarding or third-party tools, which are more cumbersome.

For more tips on managing your Gmail, check out other guides on organizing folders or using automated filters. With your storage back, you can enjoy a clean inbox and peace of mind.

Source: CNET News