To open this file, Windows needs to know what. The MSO file extension usually indicates its under the umbrella of Misc Files. 2nd Method: Take a hint from the file type. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs you can solve the problem with the. MSO you do not need to immediately use the services of the IT expert. When there is a problem with opening files with the extension.
This article shows how to extract the contents from such a file using Aspose.Email and OpenMCDF. To open the file, download one of the most popular programs associated with MSO files such as FrontPage File, Math Script Object File, or Word OLE Web Page Storage Stream. MSO file extension Information that help open, edit, and convert. In this case, the information about OLE objects is contained in oldedata.mso. If a message body type is HTML (not RTF), and there are OLE objects in a message, the MapiPropertyTag.PR_ATTACH_DATA_OBJ property is absent. Aspose.Email provides the InlineAttachmentExtractor class to enumerate MSO packages from the binary data of oledata.mso, which can then be used for extraction of contents by Compound Files reading libraries. However, Aspose.Email can be used in combination with other open-source libraries, such as OpenMCDF, for reading the contents of such files for saving to disc. These oleData.mso files are Microsoft Computer Document File (MCDF) format and support for such files is beyond the occupation of Aspose.Email. Sometimes Embedded OLE data is represented as “oleData.mso” attachment by MapiAttachment and needs to be extracted manually.