FileFormatUtil class

Provides utility methods for converting file format enums to strings or file extensions and back.

The FileFormatUtil type exposes the following members:

Method	Description
`detect_file_format(, stream)`	Detects and returns the information about a format of an excel stored in a stream.
`detect_file_format(, stream, password)`	Detects and returns the information about a format of an excel stored in a stream.
`detect_file_format(, file_path)`	Detects and returns the information about a format of an excel stored in a file.
`detect_file_format(, file_path, password)`	Detects and returns the information about a format of an excel stored in a file.
`verify_password(, stream, password)`	Detects and returns the information about a format of an excel stored in a stream.
`file_format_to_save_format(, format)`	Converting file format to save format.
`extension_to_save_format(, extension)`	Converts a file name extension into a SaveFormat value.
`is_template_format(, extension)`	Returns true if the extension is .xlt, .xltX, .xltm,.ots.
`load_format_to_extension(, load_format)`	Converts a load format enumerated value into a file extension.
`load_format_to_save_format(, load_format)`	Converts a LoadFormat value to a SaveFormat value if possible.
`save_format_to_extension(, format)`	Converts a save format enumerated value into a file extension.
`save_format_to_load_format(, save_format)`	Converts a SaveFormat value to a LoadFormat value if possible.