Elements of File Formats

File Format
Name	Elements of File Formats
Ontology	Electronic File Formats Elements of File Formats

This section is for

• Common formats that make up only a small part of a file
• Ancillary knowledge that may be needed to help decode file formats

Integers

• Binary-coded decimal
• Ones' complement
• Two's complement
• Variable-length base-128

Floating point numbers

• DEC64
• IEEE floating point

Time formats

• Unix time (timestamp number)

Identifiers

• FourCC
• GUID
• UUID

Other

• Base2
• Bit order
• Endianness (little-endian, big-endian)

See also

• Character encoding
• Compression
• Data type
• Date and time formats
• Error codes and messages
• Error detection and correction
• Text-based data
• Category:Naming and numbering systems