How Do I Split Up PST File in Outlook Without Losing Emails?

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You may split a large PST to handle Outlook data effectively and lessen the chances of performance difficulties. You can split PST files by size, year, or folder while keeping the original email structure. GainTools PST Split Tool allows you to split huge PST files easily without any technical knowledge and without installing Outlook. It supports multiple Outlook versions and has an easy-to-use interface for a seamless split operation. Make a copy of your original PST file before you start. You do not want to lose your important emails and attachments.