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2 File Associations

.MSO File Extension

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File TypeMicrosoft Office Macro Reference File
DeveloperN/A
Popularity
3.9 (18 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryMisc Files
File Format Description

File created when saving a Microsoft Office document as a Web page; contains information about macros and OLE (Object Linking and Embedding) objects included in the original file; may be referenced by the created Web page as a style sheet.

May be viewed with a text editor, but will be unreadable since the contents are encoded.

Program(s) that open .MSO files
Microsoft Windows Logo
Windows
Icon Should not be opened manually
Mac OS X Logo
Mac OS
Icon Should not be opened manually
Updated 12/20/2006

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File TypeInline E-mail Attachment
DeveloperMicrosoft
Popularity
2.4 (5 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryMisc Files
File Format Description

File sent with Microsoft Word 2000 e-mail attachments; often named "Oledata.mso;" contains information that allows the attachment to be rendered within the e-mail message.

The Oledata.mso file will appear as a separate attachment on computers that do not have Microsoft Outlook 2000 or later installed.

Program(s) that open .MSO files
Updated 1/4/2008