Import MBOX file to Yahoo Mail If you are also worried about the same question, then you can also use eSoftTools MBOX Converter Tool like me, which I used on the recommendation of my friend and I got really good results. This tool has been tested by humans, so there is no harm to any kind of data by using this tool. Apart from this, this tool is available in many different languages, so it can be used in English as well as non-English. By using this tool, apart from Yahoo, you can also import Gmail and Office 365. You can import many emails at once. This software is very user-friendly and hence it is very convenient to use it in Yahoo Mail.

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