Detect File Format of Encrypted Office Open XML - OOXML Files

Office Open XML (also known as OOXML or Microsoft Open XML (MOX)) is an XML-based file format developed by Microsoft for representing office documents like spreadsheets, charts, presentations, and word processing documents.

Aspose.Cells provides a way to detect the file format of encrypted Microsoft Open XML files. To identify the file type, use the FileFormatUtil.DetectFileFormat method as shown below in the code example.