Hello, I am aware that you are looking for a reliable or recommended way to convert MBOX files to MSG format. Many businesses, as you said, but you don't trust anyone. The BLR Tools MBOX Converter is what I would advise you to use. I am aware that you stated your desire for a widely used solution. Without installing Microsoft Outlook, this MBOX converter can effortlessly convert any MBOX file to MSG format. First, you can test out the free demo version, which converts the first 15 MBOX files to MSG format without charge. You can use this tool's many features without an activation code. To convert MBOX files into MSG format, simply go to the website and follow the easy instructions.
Read More: Convert MBOX to EML
Read More: Convert MBOX to EML