How to Archive Outlook Emails to Free Up Space?

Jenny Lowrence | March 23rd, 2025 | Data Conversion, Outlook

Is your Outlook mailbox filling up fast? Are you constantly seeing messages about reaching your storage limit? If yes, it’s time to archive Outlook emails to free up space. In this guide, we will provide step-by-step instructions for archiving Outlook emails.

Microsoft Outlook is one of the most widely used email clients for both personal and professional communication. However, over time, your mailbox can become cluttered with old emails, causing Outlook to slow down and consume a lot of storage space. To maintain optimal performance, it’s essential to archive Outlook emails and free up space.

Why Archive Emails in Outlook?

Archiving helps you move old emails to a separate file and keeps your inbox clutter-free. Archiving Outlook emails provides several benefits, such as;

  • Free up storage space in your mailbox
  • Improve Outlook performance
  • Keep your inbox organized
  • Preserve old emails without deleting them

There are two main ways to archive Outlook emails:

Manual Archiving: Move old emails to an archive folder or PST file manually.

Automated Solution: Use a professional tool to archive Outlook emails in bulk.

Let’s go through both methods in detail.

How to Save Outlook Emails to Free Up Space Manually?

Step 1. First, you need to open your Outlook application on your device.

Step 2. Now, go to “File” in the upper part of the taskbar.

archive outlook emails to free up space

Step 3. Thereafter, click and choose “Open & Export”>>”Import & Export” etc.

archive outlook email folders

Step 4. Then, in Import and export wizard; choose “Export to a file” and click on the “Next” button.

save outlook emails

Step 5. After that, select “Outlook Data File(.pst)” and tap on the “Next” button.

archive outlook emails to free up space

Step 6. Then, make sure to choose the folders and subfolders of your Outlook mailbox and tap on the “Next” button.

archive outlook email folders

Step 7. Thereafter, browse a location to choose the desired path to save the PST file and finally, tap on the “Finish” button to complete the process.

save outlook emails

Important: If you have multiple accounts in Outlook, then you have to repeat the above steps for every account.

Thus, the above method seems easy and simple but doesn’t allow you to archive Outlook emails in multiple file formats. All you have is only one file format.

Also, there are no email filter options to perform a selective email backup process.

So, to avoid the above-mentioned drawbacks, you need to choose an automated solution. To know more, go through the next section.

How to Archive Outlook Emails Automatically?

Download and install the Advik Outlook OST Converter . This automated tool lets you archive emails in 30+ file formats without any restrictions. With this utility, you can save Outlook emails in bulk and easily free up space. Additionally, it can archive emails from multiple accounts at once. The tool is a simple graphical interface, making the task effortless and time-saving.

Click on the free download button and check how it working procedure.

 

Steps to Archive Outlook Emails to Free Up Space

Step 1. Run the software & select convert configured Outlook mailbox data.

archive outlook email folders

Step 2. Choose the folders and subfolders you want to archive, then tap Next.

archive outlook emails to free up space

Step 3. Pick a file-saving format from the 30+ available options.

save outlook emails

Step 4. Select the destination folder to save the archived file.

archive outlook email folders

Step 5. Click Convert to start the email archiving process.

archive outlook emails to free up space

That’s it! This method ensures a quick and reliable way to archive Outlook emails.

We highly recommend this approach, as it allows you to free up space while keeping your emails safe on your local drive.

Helpful Features of the Automated Tool

  • Archive Outlook emails in bulk to free up space
  • Save Outlook emails into multiple formats.
  • Keep all email properties, formatting intact.
  • Advanced email filters for selective email archiving.
  • Simplified user graphical interface.
  • Supports all versions of Outlook and Windows OS.

Final Words

We have offered you both manual and automatic functions to archive Outlook emails to save space. If you have fewer emails, then you can use the manual method, but if you have thousands of emails and multiple email accounts and want to archive them at once, then Advik Outlook OST Converter will be useful for you. Well, this automatic approach allows you to save Outlook emails in various file formats.