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+--- Thread: How to break an oversized OST file? (/thread-18176.html)
How to break an oversized OST file? - jackdanial991 - 09-06-2025
If you want to break large OST file into small parts, here I recommend you try the BLR OST File Converter Tool. This tool can easily split large OST file according to date, year, and size option without installing MS-Outlook in your system. It split both ANSI and UNICODE formats. It supports all Windows and Outlook versions.
Steps to Split Large OST File -
1. Run the BLR OST File Converter Tool.
2. Add the OST file.
3. Choose PST as a saving option.
4. Select - split PST file and browse the targeted location.
5. At last, hit the Export button and start the splitting process.
Done! Here, complete the process.