Sometimes users want to export Outlook Ost to Outlook.com. Users can do it simply by using the finest tool called eSoftTools OST to PST Converter software. It enables users to perform this migration task in the easiest manner. The only things needed to complete the migration are the OST files and the login details for the Outlook.com account. This is the best tool to allow you to import outlook Ost to outlook.com by applying simple steps.

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https://www.esofttools.com/blog/how-to-reduce-size-of-ost-file-in-outlook/