If you are looking for a method to migrate OST files to Yahoo Mail, you can try the EmailProHelp OST to PST Conversion Tool. The tool enables users to convert OST files into MBOX, PDF, EML, EMLX, HTML, and various other formats. It also supports direct migration of OST files to Office 365 and multiple other email platforms. With its advanced functionality, users can back up or transfer multiple files at once. Additionally, it offers useful features such as a date range filter, duplicate email removal, and a preview option. The software is fully compatible with all Windows OS versions.

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