Free PST Compress: Step-by-Step Guide to Clean Up and Shrink Outlook PST Data Safely

Smart Techniques to Reduce PST File Size in Outlook

Over time, the size of an Outlook PST file can increase significantly. This impacts Outlook's speed, performance, & stability. Large PST files can cause Outlook to hang, respond slowly, or generate errors.

In this blog, we'll explain how to compress a PST.

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Manual Method for Outlook

1. Using a Third-Party software
2. Why is PST file compression important?

Outlook speed improves

• Storage space is freed up
• The risk of PST corruption is reduced
• Backup & migration are easier

Method 1:- How to Manually Compress a PST in Outlook

Outlook itself offers a built-in feature that allows you to compact a PST file.

A step-by-step method is provided.

Step 1: Empty Deleted Items

• Open Outlook
• Right-click the Deleted Items folder
• Click Empty Folder

Step 2: Use Mailbox Cleanup

• File → Info → Tools
• Select Mailbox Cleanup
• Find & delete old or large emails

Step 3: Compact the PST File

• File → Account Settings → Account Settings
• Select the PST file in the Data Files tab
• Settings → Click Compact Now

Note:- This process can take time and Outlook may slow down during this process.

Limitations of the Manual Method

• PST size does not decrease significantly
• Large PST files take a long time
• Easy only for technical users

Method 2:- Compress PST with a Third-Party Tool (Safe and Fast Method)

If your PST file is very large or the manual method isn't yielding accurate results, third-party PST compression software is a better option.

Why use Softaken Compress PST Software?

This tool safely compresses Outlook PST files without data loss.

Key Features:

• Easily shrinks large PST files
• Emails, attachments, and contacts remain completely safe
• Supports all Outlook versions
• Simple interface, easy even for non-technical users
• Compatible with all versions of Windows

Steps to compress a PST file using software:

• Install and launch the software
• Add the PST file
• Select the compression option
• Start the process
• Get a shrunken PST file in just minutes

Conclusion
If your PST file is small, you can use Outlook's manual method.

But for large PST files, a third-party PST compression tool is the safest and easiest solution for better results and time savings.

 This way, you can keep your Outlook PST data clean, compact, and safe, without any data loss