## Uses of Class
org.apache.poi.UnsupportedFileFormatException

- Packages that use UnsupportedFileFormatException
  Package | Description
  --- | ---
  org.apache.poi |
  org.apache.poi.hslf.exceptions |
  org.apache.poi.hssf | Horrible SpreadSheet Format API's for reading/writting Excel files using pure Java.
  org.apache.poi.hwpf |
  org.apache.poi.openxml4j.exceptions |
  org.apache.poi.poifs.filesystem | filesystem package maps OLE 2 Compound document files to a more familiar filesystem interface.
  org.apache.poi.xssf |

- - ### Uses of UnsupportedFileFormatException in org.apache.poi

    Subclasses of UnsupportedFileFormatException in org.apache.poi
    Modifier and Type | Class and Description
    --- | ---
    `class` | `OldFileFormatException` Base class of all the exceptions that POI throws in the event that it's given a file that's older than currently supported.

  - ### Uses of UnsupportedFileFormatException in org.apache.poi.hslf.exceptions

    Subclasses of UnsupportedFileFormatException in org.apache.poi.hslf.exceptions
    Modifier and Type | Class and Description
    --- | ---
    `class` | `OldPowerPointFormatException` This exception is thrown when we try to open a PowerPoint file, and it's too old for us.

  - ### Uses of UnsupportedFileFormatException in org.apache.poi.hssf

    Subclasses of UnsupportedFileFormatException in org.apache.poi.hssf
    Modifier and Type | Class and Description
    --- | ---
    `class` | `OldExcelFormatException`

  - ### Uses of UnsupportedFileFormatException in org.apache.poi.hwpf

    Subclasses of UnsupportedFileFormatException in org.apache.poi.hwpf
    Modifier and Type | Class and Description
    --- | ---
    `class` | `OldWordFileFormatException`

  - ### Uses of UnsupportedFileFormatException in org.apache.poi.openxml4j.exceptions

    Subclasses of UnsupportedFileFormatException in org.apache.poi.openxml4j.exceptions
    Modifier and Type | Class and Description
    --- | ---
    `class` | `NotOfficeXmlFileException` This exception is thrown when we try to open a file that doesn't seem to actually be an OOXML (Office Open XML) file after all
    `class` | `ODFNotOfficeXmlFileException` This exception is thrown when we are given an ODF-based file (eg OpenOffice .ods) instead of an actually OOXML (Office Open XML) file
    `class` | `OLE2NotOfficeXmlFileException` This exception is thrown when we are given an OLE2-based file (eg Excel .xls) instead of an actually OOXML (Office Open XML) file

  - ### Uses of UnsupportedFileFormatException in org.apache.poi.poifs.filesystem

    Subclasses of UnsupportedFileFormatException in org.apache.poi.poifs.filesystem
    Modifier and Type | Class and Description
    --- | ---
    `class` | `OfficeXmlFileException` This exception is thrown when we try to open a file that's actually an Office 2007+ XML file, rather than an OLE2 file (which is what POIFS works with)

  - ### Uses of UnsupportedFileFormatException in org.apache.poi.xssf

    Subclasses of UnsupportedFileFormatException in org.apache.poi.xssf
    Modifier and Type | Class and Description
    --- | ---
    `class` | `XLSBUnsupportedException` We don't support .xlsb for read and write via `XSSFWorkbook`.

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