Distinguish Between Formats

The provides a unique ID for each major format. For example, a call to would return 351.1.0 for a Microsoft Word XML format. The major format 351 is unique to this format.

Unlike , the formats.ini file distinguishes between formats by using the major version number. For example, in the formats.ini file, a Microsoft Word 2003 XML format is defined as The major format 285 and file class 1 are the same values for generic XML. The major version 100 distinguishes the format as Microsoft Word 2003 XML.

The major version is used to specify the following formats: