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I am facing an issue with my Outlook PST file. Over time, it has grown extremely large and is now causing performance issues—emails are slow to load, and Outlook occasionally crashes. I need to reduce the PST file size without losing any important data. What are the safest and most effective methods to shrink an oversized Outlook PST file? Are there reliable third-party solutions that can help with this? I want to ensure that none of my emails, attachments, or folders are lost in the process.