Instant Ways to Compress PST Files with & without Outlook

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  • Updated on December 19th, 2022

Summary: MS Outlook is an email client widely spread worldwide; many organizations and individuals use it. It provides enough storage for saving PST files data. However, with time, PST files get large in size and become hard to handle, which leads people to compress PST files to create more storage space. Hence, in this context, we will explain the best way to compress PST files without Outlook. It includes the suggestion of the Aryson PST Compress Tool, which allows users to compress PST files based on different criteria. But before moving to the procedures let’s first learn the needs to compress the Outlook data files (,pst). Download Now   Download Now

Why do we need to compress PST Files?

When you use PST files to store Outlook data for a very long period, your PST file reaches its storage limit. Thus, there is always a need to compress PST files. Here are some of the common reasons to reduce the size of large PST files.

  • As we all know, that Outlook provides only 50 GB of storage space for PST files in the 2021, 2019, 2016, and 2013 versions, whereas in the 2010 and 2007 versions, it provides only 20 GB of storage space. So, many times it has been found that users are looking for a solution to compress their PST files. 
  • When PST files get beyond their maximum size limit, it creates many problems, such as hanging and delay in the working process, which is the most frustrating thing you can experience while working with Outlook.
  • Sometimes large PST files become inaccessible due to their inadequate storage space problems. In this case, you won’t be able to use or open your PST file.

Best Method to Compress PST Without Outlook

There is no manual method to reduce PST file size without Outlook, don’t worry. We have got you. You can use an automated solution which professionals highly recommend.

Aryson PST Compress tool is a magnificent software to compact the size of Outlook PST files with proficiency and accuracy. It is the best utility for compressing PST files of MS Outlook 2021, 2019, 2016, 2013, 2010, 2007, and earlier.

Steps to Compress PST files without Outlook:

  1. Download and Run the Aryson PST Compress Tool.
  2. Click on the Select Files button to browse both Single and Multiple Outlook Data files.
  3. The Outlook PST file preview is displayed by the software.
  4. Click the Next button after selecting the folders.
  5. Select the Compress option based on your needs.
  6. The option to integrate the built-in functionality is also available.
  7. To reduce the size of the PST file, select the Start Compression button.
  8. Finally, your PST files are compacted.

By following the above steps, you can compress PST files without Outlook. However, if you can use Outlook, you can also prefer the bellowed method to reduce the size of an Outlook data file.

How do you Compress PST files With Outlook?

If you have Outlook installed on your machine, you can also try this process, as it can be done using MS Outlook. So without any delay, let’s get started.

  1. Go to File >> Info >> Account Settings.
  2. Choose Account Settings and tap Data Files then pick the Outlook data files that need to be compressed.
  3. Click on Settings and press the Compact Now button to reduce the size of the selected PST file.
  4. Now the process of compressing the PST file is started, it will take some time, so wait until the process is completed.

By following the above steps, you can compress the Outlook data file. However, this method is unsuitable for the compression of PST files that cross their maximum file limit. Hence, we suggest you use the automated approach for a smooth and secure reduction of the Outlook PST files.

Conclusion

In short, this blog can guide you to solve the problem of how to compress PST files without Outlook. By using the Aryson PST Compress tool, you can quickly reduce the size of the Outlook data file. You can also opt for the manual method; however, the manual procedure is quite problematic and requires technical expertise. Therefore we advise using a professional solution for the straightforward compression of PST Files.

Frequently Asked Questions

Q. How do I reduce the size of my PST file?

Ans – Follow the steps below to compress an Outlook PST file:
1. Go to the Files
2. Open Account Settings, and click Account Settings.
3. Press the Data files, choose the data file that you want to compact, then hit the Setting
4. Finally, click on the Compact button to initiate the compression process.

Q. How do I compact a PST file without Outlook?

Ans – You can use the Aryson PST Compress Tool, an optimum utility to compress your Outlook Data files with 100% accuracy. It provides various outstanding categories to compress your PS files like Compress All Attachments in New PST File, Remove All Attachments From New PST File, Remove All Attachments in a New PST File and Save them in a Separate Folder, and Remove All Attachments in a New PST File and Compress them in a Separate Folder. You don’t even need to install Outlook to perform this process.

Q. How long does it take to compact a PST file?

Ans – The amount of “white space” that needs to be cleaned up and the size of your data file affect how long the compacting process takes. It is finished quickly for my smaller PST data files. However, it often takes half an hour to finish with my larger PST mailbox files, which are over a big in size.

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About The Author:

Rohan Wiese is a Technical Writer at Aryson Technologies. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech.

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