Alternatively, you can read about how to open PST files on 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.
Performance issues – A large PST file takes longer to process, affecting the Outlook functionality, resulting in issues like slower search, not enough system resources error, longer load times, and frequent crashes. Storage limitations – Outlook has a PST storage capacity limit of 50 GB for the latest versions and lesser for older versions. Therefore, reducing the file size will prevent it from reaching the threshold and potentially losing important data. File corruption risk – Large PST files are more susceptible to corruption which can result in data loss. Resizing will aid with the stress of fixing corrupt PST files and ensuring that your data remains safe and secure.
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 about clearing Outlook temp files on 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 about changing or removing the primary account from Outlook. You may also learn some quick fixes for Outlook 2010 not opening PST files on your PC. Also, check our guide about how to save your Outlook emails using OST to PST Converter. Let us know how the procedure went for you in the comments area below.
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