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How to Reduce PST File Size in Outlook 2016?
by lee wilson - Sunday, 22 June 2025, 10:21 PM
 

I have been using Outlook 2016 for a while now, and my PST file has grown quite large, which is slowing down performance. I want to know how to reduce the size of the PST file safely without losing any emails or data. Can anyone please suggest effective methods or tool options in Outlook 2016 to compress or reduce the PST file size? 

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Re: How to Reduce PST File Size in Outlook 2016?
by Natha Ncook - Monday, 23 June 2025, 10:59 PM
 

In Microsoft Outlook 2016, the PST (Personal Storage Table) file saves all the data of emails, contacts, calendars, etc. Over time, this file can become very large, which can make Outlook slow or difficult to work with.

I have been using Outlook for a long time, and the size of my PST file exceeded 10 GB. This slowed down Outlook and sometimes caused it to crash. While searching on the Internet, I found Softaken Compress PST Software.

With the help of this tool, I compressed my large PST file in just a few minutes without any data loss.

  • There was also an option to save attachments in a separate folder.
  • No technical skills were required - the interface is quite simple.
  • Supports all versions of Outlook (2016, 2019, etc.)

If the size of your Outlook PST file has also increased, then definitely try Compress PST once.