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+--- Thread: Best Tool to Reduce Outlook PST File Size? (/showthread.php?tid=69523)
Best Tool to Reduce Outlook PST File Size? - DAVIESWILSON031 - 08-05-2025
My Outlook PST file has grown too large, and it is starting to affect performance. I am looking for the best tools or methods to reduce the size of my PST file without losing any important emails, attachments, or folders. Can anyone suggest reliable third-party tools or professional methods that actually work well for compressing or splitting PST files? Also, if you have used any of these personally, please share your experience.
RE: Best Tool to Reduce Outlook PST File Size? - michelleturner - 08-05-2025
When emails, attachments, contacts, and other data keep accumulating in Outlook for a long time, the size of the PST file becomes very large. This can slow down Outlook's performance or even corrupt the PST file. To avoid this situation, it is important to reduce the size of the PST file. I recently faced the problem of slow Outlook speed and a heavy PST file. Even after trying many manual methods, there was no difference. Then I used DataVare Outlook PST Compact Expert Tool and got really great results.
This tool shrinks large PST files without any data loss and also allows saving attachments separately. Its interface is also very simple and user-friendly.
If you are also troubled by the large PST file of Outlook, then definitely try the PST Compress Tool once. This tool was very helpful for me. 100% safe, fast, and effective solution.