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How to Reduce or Resize a PST File [With or Without Outlook]
It’s essential to reduce PST file to boost Outlook’s performance
3 min. read
Updated onJuly 3, 2024
updated onJuly 3, 2024
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Key notes
Outlook uses PST files to store data on your computer, which allows you to access email, contacts, and calendars while not connected to the internet. Over time, the Personal Storage Table (PST) file can become large and cause performance issues. Thus, we will discuss how to reduce the PST file size.
Alternatively, you can read abouthow to open PST fileson Windows 11.
Why do I need to reduce the large PST file?
The issues below are why you should reduce the size of a large PST file on your device.
Nonetheless, we will discuss steps to reduce the Outlook PST file on your PC.
How can I reduce or resize a PST file?
1. Delete unwanted Outlook data
Removing the deleted items will shrink the PST file size if the recently deleted files are large. Check our guide aboutclearing Outlook temp fileson Windows.
2. Reduce PST files using the Compact Now Outlook feature
Compact Now is an in-built tool that allows you to shrink the PST file. You can read aboutchanging or removing the primary accountfrom Outlook.
You may also learn somequick fixes for Outlook 2010 not opening PST fileson your PC. Also, check our guide abouthow to save your Outlook emails using OST to PST Converter.
For other Outlook formats, we have a guide on how toconvert MSG to PST.
Let us know how the procedure went for you in the comments area below.
More about the topics:Outlook Guides
Henderson Jayden Harper
Windows Software Expert
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills and learning more about the tech world.
He also enjoys gaming, writing, walking his dog, and reading and learning about new cultures. He also enjoys spending private time connecting with nature.
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Henderson Jayden Harper
Windows Software Expert
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills.
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