Compact PST Size- Steps to Compress PST Files without Opening Outlook

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Published on
September 26th, 2022

Updated on
February 23, 2024

4 minutes Read

If you are also an Outlook user, you might face difficulty while managing your PST files. Most users use Outlook for its advanced features and optimum functionalities. MS Outlook stores the data mainly in two file formats i.e. PST and OST. Outlook mailbox data like emails, calendars, contacts, and more are stored in PST file format.To prevent the data from corruption, users look for different ways to shrink the PST files. In this blog, we are going to state an expert solution through which users can easily and quickly shrink PST files without Outlook configuration. So let’s start, with how we can compress PST files without opening Outlook using the MacSonik PST Compress Tool. Let us first have a look at some reasons leading to which users look for compressing the Outlook PST files.

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Reasons to Reduce the Size of Outlook PST Files

There are various reasons to compress and compact the size of PST files. Among those, some most common reasons are stated below.

  • Oversized PST files often lead to issues like corruption. When PST files reach their maximum file size, their corruption chances also increase parallelly.
  • The PST files often face an inaccessible stage by showing an error message.
  • It becomes hard to access important data in the case of oversized PST files.
  • Due to the limited storage capacity of Outlook.

For all these reasons, users often look for different ways to compact PST files without opening Outlook. Well, after receiving a lot of comments to provide a well-researched solution for this. We have managed to bring an expert solution which is stated below.

How can I Compress a PST file Without Outlook?

MacSonik PST Compress Tool is an amazing utility to compress PST files without opening Outlook. It is a 100% reliable and risk-free solution to compact the size of PST files. This software can compress and compact PST files of any size in just a single click. It quickly compacts PST files without Outlook by maintaining the original folder hierarchy. The tool supports MS Outlook 2021, 2019, 2013, 2010, and all the below versions. To attain a better understanding of the tool, you can go through the following process.

Steps to Reduce PST File Size Without MS Outlook

  • Install and Run the MacSonik PST Compress Tool on your PC.
  • Choose the single or multiple file/folder option and hit Next.
  • Select the file/folders to add the PST files and click open.
  • Tick the PST file items from the tree structure and click Next.
  • Select the desired in-built features of the tool to reduce PST size.
  • Choose the location and click the Start Compression button to compact the PST file without Outlook.

Before moving on to the conclusion part, let us explore some reasons why users should prefer this tool.

Advantages of PST Compact Tool

  • This tool can hassle-free compress PST files without opening Outlook and without making any data alterations.
  • It can compress multiple PST files at a time with ease.
  • You can remove similar mail items from the PST file compact process.
  • The tool offers a unique date range feature. You just have to enter the start and end date to accomplish the selective file compression.
  • It can also split large PST files into smaller PST files.
  • The software has an intuitive GUI that can be used by any technical/non-technical user.
  • It is compatible with all the major versions of macOS to reduce PST file size.

Also Read: How to Open PST File without Outlook

Conclusion

Oversized Outlook PST files can cause a lot of data management issues. In order to prevent those issues, we have stated an expert solution in this write-up. Additionally, we have also stated the detailed procedure of the Mac PST Compact Tool with its features. The MacSoink PST Compress Tool is the most recommended tool to compress PST files without opening Outlook.

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