Article ID: 318326 - View products that this article applies to.
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The Microsoft Office filter, Offfilt.dll, does not support all versions of Microsoft Office documents.
The following versions are supported:
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The Office filter looks at the first 4 bytes in the header of each file for a docfile0 signature. To manually check the signature, use a hex editor to open the file to determine whether the signature matches the following one:
D0 CF 11 EOIf this docfile signature does not exist, the file is not filtered by the Office filter. Files that are created in Microsoft Word for Microsoft Windows version 2.0 are an example of the files that do not contain the docfile signature, so they are not filtered. In addition, no error messages are logged when the document is not filtered.
Article ID: 318326 - Last Review: October 24, 2013 - Revision: 2.0