Are you are looking for a solution to migrate the OST file to Yandex mail? then I would like to recommend choosing the Aryson OST to PST converter software. It not only migrates the OST file to Yandex mail or other mail clients. It also helps to convert the OST file into many other file formats. Moreover, it smoothly runs on Windows OS.

To know more: - https://www.arysontechnologies.com/convert-ost-to-pst-online.html