In most cases .mso files can be actually encountered as e-mail attachment when the sender of the e-mail used MS Word or other programs as default text editor for MS Outlook.
These .mso files cannot be converted to anything, they actually cannot be even opened at all. These files are only visible because the receiver of the message does not use Microsoft Outlook and contain special formatting for the actual message. This whole function is used so the recipient sees the document / message exactly the same as the sender. So your best option here is to contact the sender to send you PDF directly.
This conversion entry was verified by us and conversion was flagged as wrong or not possible.
Usually this happens when the conversion would try to convert different types of data between each other, such as audio to image, or it is not possible because incompatibility between programs, caused by closed file formats, very limited support etc.
If you find entry that you feel is flagged as bad wrongly, please tell us in the discussion below with as much as information as possible so we can fix it.
