Archiving Email

Archiving Email

Is Your Email Eating Your Website Hosting Space? Here’s How to Reclaim It.

If you run a business, your website is your digital storefront. But behind the scenes, there is a hidden digital clutter bug that sneaks up on almost every business owner eventually: historical email archiving.

Most business owners sign up for a standard website hosting package, assuming their 3 GB or 5 GB storage limit is plenty for their website. And they are right! A typical business website usually takes up less than 1 GB of space.

But then, the emails start piling up. Five years of massive PDF attachments, high-res images, and unemptied junk folders later, and suddenly you get a warning that your hosting storage is at 90% capacity—or worse, your website stops loading entirely.

If your IMAP email accounts are choking your hosting server, you don’t necessarily need to pay for massive, expensive server upgrades. Here is exactly how IMAP storage works and how you can safely archive your mail to free up your server.

The Culprit: How IMAP Fills Up Your Server

When you set up your email on your phone or computer, you usually choose IMAP.

IMAP is great because it mirrors everything perfectly. If you read an email on your phone, it shows as read on your laptop. But IMAP keeps a copy of every single email live on your hosting company’s server. If you never clean it out, your hosting server essentially becomes an infinite, heavy digital filing cabinet.

How to Archive IMAP Mail to Your Local Computer

To free up server space, you need to move older emails off the live server and onto your computer’s local hard drive. Once moved, they are deleted from the server, but you can still search and read them on your desktop anytime.

Here is how to do it using the two most common email apps:

Method 1: Microsoft Outlook (Auto-Archive to a .pst File)

Outlook has a built-in tool designed specifically for this.

  1. In Outlook, click File > Tools > Clean Up Old Items (or Archive).

  2. Select your email account or specific folders (like your Inbox or Sent Items).

  3. Choose your cutoff date (e.g., “Archive items older than 1 year”).

  4. Click Browse to select a safe folder on your computer’s hard drive to save the archive file.

  5. Click OK. Outlook will download those old emails to your computer and automatically delete them from the hosting server.

Method 2: Mozilla Thunderbird (Local Folders)

Thunderbird makes archiving incredibly simple by utilizing a “Local Folders” section.

  1. Right-click your email account and select Settings.

  2. Under your account name, click Copies & Folders.

  3. Under Message Archives, check the box to enable it, select “Other:”, and choose Local Folders from the dropdown menu.

  4. Go back to your active Inbox, highlight a batch of old emails (e.g., all emails from a couple of years ago), and press the ‘A’ key on your keyboard. Thunderbird will instantly move them out of the cloud and onto your hard drive.

⚠️ Three Things to Keep in Mind Before Archiving

Before you start dragging and dropping thousands of emails, there are three critical rules you need to know:

  • Check Your Computer’s Storage: If you are moving 50 GB of emails off the server, your physical computer needs at least 50 GB of free space to hold them.

  • Backups Are Now Your Responsibility: Once emails are moved to your local computer, they are no longer backed up by your web host. If your computer crashes or gets stolen, those archives are gone. Make sure your local archive files are backed up to an external drive or a cloud backup service (like OneDrive, Google Drive, or Dropbox).

  • No Longer Visible on Mobile: Because those archived emails now live physically on your office computer, you won’t be able to see or search them from your smartphone mail app when you’re away from your desk.

The Low-Hanging Fruit: Quick Wins

If you want immediate relief without archiving years of history yet, log into your webmail or email client and do these two things right now:

  1. Empty your Trash and Spam folders. You would be amazed how many gigabytes of data are just deleted promotional emails sitting in a digital dustbin.

  2. Sort by size. Sort your Sent folder by “Size” instead of “Date”. Delete the emails with massive video or PDF attachments that you no longer need.

Need help clearing out the clutter? If your hosting dashboard is telling you that you’re running out of room, get in touch by emailing support@2xl.co.za. We can help you identify exactly where the bloat is coming from and help you configure a clean, automated archive system to reduce server space usage.

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