If you want to convert the MSG file into a PST file using the manual method, the manual method is not a proper way to convert it because it takes so long to convert a single file. So, you need a third-party tool called Shoviv MSG Converter. This tool converts your files faster and also provides you a ton of features. Just like you peview the file before covering it in PST, it supports any Windows version. Shoviv MSG Converter provides you a free trial so you can check it before buying it.
Read More: https://www.linkedin.com/pulse/how-convert-msg-file-multiple-formats-shoviv-software