This is the specifications for the archive file which is handled by the Game Extractor plugin Archive_ARC_SARC.

Endian Order:Big Endian
Compression:None
Encryption:None


This format is used by the following Games:
Mii Maker [Wii U]*.arc


This is the format specification information:
 
// ARCHIVE HEADER
  4 - Header (SARC)
  4 - Unknown
  4 - Archive Length
  4 - File Data Offset (8192)
  4 - Unknown

// DETAILS DIRECTORY
  4 - Directory Header (SFAT)
  2 - Unknown (12)
  2 - Number of Files
  4 - Unknown

  // for each file
    4 - Hash?
    4 - Unknown
    4 - File Offset (relative to the start of the File Data)
    4 - Offset to the End of the File Data for this File (relative to the start of the File Data) (not including padding)

// FILENAME DIRECTORY
  4 - Directory Header (SFNT)
  2 - Unknown (8)
  2 - null

  // for each file
    X - Filename
    1 - null Filename Terminator
    0-3 - null Padding to a multiple of 4 bytes

0-8192 - null Padding to File Data Offset

// FILE DATA
  // for each file
    X - File Data
    X - null Padding


Game Extractor is able to read files of this type, as well as files from thousands of other games. To give it a try, download Game Extractor (Basic Version) for free, and see what it can do.

For further information on this format, refer to the source code on our GitHub repository.