For fix Fix Windows Live Mail is unable to send or receive messages error this issue is technical and challenging for many users to resolve. The easiest solution is to migrate email files to another email client. Users may wonder which software to use for the conversion process. I recommend
eSoftTools Windows Live Mail Converter software. With this tool, users can save Windows Live Mail emails in the same folder or a different folder during the migration process.
Read more - Fix “Windows Live Mail is unable to send or receive messages”