How to Compress PST File in Outlook to Reduce Size?

[Henrystone051]

I have been using Microsoft Outlook for quite a while, and now my PST file has grown quite large, which is causing Outlook to slow down. I want to reduce the file size to improve performance. Can anyone guide me on how to compress or compact a PST file in Outlook safely without losing any data? I am looking for a proper solution that works with newer Outlook versions (like Outlook 2016/2019).

[jacobfisher]

If your Outlook PST file has become too big and Outlook is slowing down, I would like to suggest a great tool—DataVare Outlook PST Compact Expert.

I used it myself, and in just a few minutes it reduced my 6GB file to a great extent, without any data loss.

Key Features:
Compresses large PST files securely
Supports all versions of Outlook
Can also reduce size by separating attachments
Extremely easy to use – no technical knowledge required

Anyone who is having problems with slow Outlook speed and heavy PST files, must try this tool once.
Free demo version is also available.

[YvonneVesta]

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[georgerogers]

If your Outlook PST file has become very large, I would recommend that you try Softaken Compress PST Software. I have used it myself – it is a very easy and safe way to reduce the size of the PST file. Size reduced by hundreds of MB without any data loss. It also has the option to compress or remove attachments.
The special features of the software are:
User-friendly interface
Can compress multiple files in batch mode
Does not require Outlook to run.