It's time to take control of your overflowing Gmail inbox. If you've been accumulating thousands of messages and constantly hitting the storage limit, you're not alone. Google's free 15GB of storage is shared across Gmail, Google Drive, and Google Photos, and it fills up faster than most people expect. Fortunately, there is a straightforward way to reclaim that space without paying for a subscription. The catch? You'll need to act quickly because Google is retiring the POP3 protocol later this year.

Why Your Gmail Storage is Full

Every Gmail user starts with 15GB of free cloud storage. This quota is not just for emails; it also includes everything you store in Google Drive and every photo or video backed up to Google Photos. Large attachments, such as videos, high-resolution images, or PDFs, can eat up space quickly. Once you exceed the limit, you can no longer send or receive emails, and new files cannot be uploaded. Many people then consider upgrading to a Google One plan, which starts at 100GB for $20 per year. But why pay for old emails you might never need again? A smarter solution is to move your messages to a separate archive account.

The POP3 Deadline: What You Need to Know

POP3 (Post Office Protocol 3) is an older email protocol that allows you to download messages from a server to a client or another account. Google has supported POP3 for years, but the company is now phasing it out. New Gmail users lost access to POP3 in the first quarter of 2026, and existing users will lose it later this year. After that, transferring emails between accounts will become much more difficult. Therefore, if you want to use the free transfer method described below, you should start the process as soon as possible.

Before You Begin: Back Up Your Emails

Before moving your messages, it is wise to create a backup. Use Google Takeout to download a copy of your Gmail data to your computer or an external drive. For an account with around 75,000 messages, the download might take about two hours. Once you have the backup, you can proceed with the transfer without fear of losing important correspondence.

Step-by-Step Guide to Transferring Gmail Messages

The process involves enabling POP3 on your original account and then importing the emails into a new account. Here are the detailed steps.

Step 1: Enable POP3 on Your Original Account

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

Step 2: Create a New Archive Account

If you don't already have a second Gmail account, create one now. This will serve as your long-term archive where all old messages will be stored. Give it a clear name, such as "[yourname].archive@gmail.com."

Step 3: Import Emails into the New Account

Log in to your new archive account. Go to Settings (gear icon) and select "See all settings." Click the "Accounts and Import" tab. Next to "Check mail from other accounts," click "Add a mail account." Enter the address of your original Gmail account and click Next. Choose "Import emails from my other account (POP3)" and click Next again. Enter your original account's password. You will likely need to create a Google App Password because regular passwords often fail for this step. To create an app password, go to myaccount.google.com/apppasswords (you must have 2-Step Verification enabled). Create a name for the password, such as "Gmail Transfer," and click Generate. Copy the 16-digit code. Back in the import settings, enter the app password instead of your regular password. Set the port to 995. Check the three boxes: "Always use a secure connection (SSL) when retrieving mail," "Label incoming messages," and "Archive incoming messages (Skip the Inbox)." Click "Add Account." Then choose whether you want to be able to send mail from your original address from the new account. The import will begin automatically.

Step 4: Let the Transfer Complete

The transfer may take hours or even days depending on the number of messages. In a test with 75,000 emails, the process took about two full days. During this time, you can continue using your accounts normally. Once complete, all messages will appear in the archive account under a label. The original account will have moved those messages to the Trash folder. You must empty the Trash manually to free up storage. Clearing 75,000 messages from Trash took about an hour.

What Messages Are Not Transferred?

Gmail's POP3 import does not transfer Drafts or Spam folders. Drafts must be handled manually. Spam messages are automatically deleted after 30 days, so you can either wait or delete them manually. After the transfer, you should stop the automatic import to avoid re-importing new messages. Go to your archive account's settings, under "Accounts and Import," find the linked account and click "delete." Confirm the deletion. If you created an app password, you can revoke it by visiting the app passwords page and clicking the trash icon next to it.

Final Tips for Maintaining Your Storage

Once your storage is freed up, you can enjoy a clean inbox. However, Google may delete accounts that are inactive for over two years. To keep your archive account alive, log in at least once every two years. Also, consider using filters and labels to manage new messages efficiently. By following this guide, you can reclaim your 15GB of free storage without paying a dime—but only if you act before POP3 support ends.

Source: CNET News