How to convert from .eml to .msg without using third party tool and we can't install outlook on the production machine

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1

How to convert from .eml to .msg without using third party tool and we can’t install outlook on the production machine .
After saving it as .msg seeing below error popup while opening it. please find the below screenshot. But i don’t see any issue if i save it as .eml format. But for process we need it in .msg format only.

image
image942×158 4.09 KB

please provide some solution to convert from .eml to .msg?

2

@ppr
if you have any solution, can you please suggest?