What is a .MAILHOST File And How To Open It – Microsoft

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Have you came across a file with the .mailhost extension, but it is a file you have never seen before? It is important to know how to open this file – in order to be able to work with it. Fear not, in this article we will show you how to easily open the .mailhost file in few simple steps on various systems.

What is a .MAILHOST file?

The .MAILHOST file extension is from MSN Mailhost Settings File. The developer of this file extension is Microsoft. The file is a settings related file.

What to know

There is currently 0 software that can open the .mailhost file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.