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Just drag the file onto this browser window and drop it. You can also display a MSO file directly in the browser. Then click "Open with" and choose an application. If you cannot open your MSO file correctly, try to right-click or long-press the file. Without proper software you will receive a Windows message " How do you want to open this file?" or " Windows cannot open this file" or a similar Mac/iPhone/Android alert. You need a suitable software like Word to open an MSO file. If you are unable to open the file this way, it may be because you do not have the correct application associated with the extension to view or edit the MSO file.
#How to open mso files how to#
On computers without Outlook 2000 installed, you will see the Oledata.mso file as an additional attachment. How to open a MSO file: The best way to open an MSO file is to simply double-click it and let the default assoisated application open the file. Do not delete this file doing so could render the attached file unuseable. This is known as "round tripping." There is no useful information for the user in this file and it is not editable. The Oledata.mso file contains necessary information to properly render the attachment in the message in its originating program. When sending HTML messages with an attached Microsoft Office 2000 document, the message is sent as an Outlook HTML message, not an Office Envelope message. Office Word is an authoring program that gives you the ability to create and share documents using a set of writing tools. MSO files mostly belong to Word by Microsoft Corporation. First, you need to add a file for Viewer: drag & drop your MSO file or click inside the white area for choose a file.