Did you find or received MAILHOST file and your computer failed to open it? Below we will explain what is MAILHOST file extension and how you can open it.

What is a MAILHOST file ext?

The .MAILHOST file extension identifies Microsoft e-mail preference files that come installed with MSN. You may have problems sending and receiving email if your .MAILHOST file is either missing or corrupted. In such circumstances you can restore this file by accessing the "Run" tool (found in the Start menu on windows), and then typing: regsvr32 c:\progra~1\msn\msncorefiles\mailui.dll.

How to open a MAILHOST file?

In most cases your computer should know what software program should be used to open different file types and extensions like MAILHOST. When you double click on the MAILHOST file format, it should open with appropriate software program. If you downloaded or received MAILHOST files for the first time and your system failed to open it then try free file viewers available on the internet after doing enough research not to fall prey to malware.

How to fix errors with MAILHOST files

Scan the file
Before trying to open MAILHOST files on your Windows make sure that it is safe to do so by running through antivirus scanner.
Update
Unable to open MAILHOST files with the associated software program or see an error than try updating the associated software
Do not
If none of the applications in your Windows were able to open MAILHOST file do not change file extension because by changing file extension you are corrupting the file. In case you already changed the extension you can revert it back to MAILHOST by renaming the file. Incorrect associations are the cause of many MAILHOST file errors.

Finally, if Windows is unable to open file extension MAILHOST you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a registry scan.

You are currently viewing the detail page for MAILHOST file ext. This page contains a detailed description of the MAILHOST file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.