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If you want to fix error in oversized OST file, then i recommend you to download SysInspIre OST to PST converter software. This tool has a feature of PST splitting users can split PST file into multiple small sizes. It has a demo version that can allow users to convert items from each folders. It has a technical support all users can get help by mail or live chat. It has a preview option users can preview their OST file before conversion. It support all version of Windows OS such as Windows XP, Windows Vista, Windows7, Windows8, Windows9, Windows, Windows. This tool does not require MS Outlook to open OST file into users Pcs.
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