How To Split OST File (Fix: OST File Too Large)

Looking for an effective solution on How to Split OST File?? This is the blog for you… Here proven working solution has been detailed on how to fix this particular issue…

However, before that have a quick glance at what is OST file and why one needs to split it

What is OST File?

An OST file is a data file created by Microsoft Outlook (2005 or later), an email client and personal information manager. This data file is used to store a copy of mailbox information from an Office 365, Exchange, or account.

Now OST file size limit varies, with respect to the Outlook version installed in the system. This is the actual reason why OST file gets oversized and the need arises to split OST file.

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