The National Archives
Search our website
  • Search our website
  • Search our records
   
 
Image of software box and CD PRONOM
Welcome (PRONOM  home page) About PRONOM Add an entry
Search Help - opens in a new window Information resources - opens in a new window
 
 
 

*Details: File format summary

   
 

 

Search by keyword Search by file format Search by PUID Search by software Search by vendor Search by lifecycles Search by Migration Pathway

Details for:

Save as... XML | CSV Printer friendly version
 
Go to:  Summary  |  Documentation  |  Signatures |  Compression  |  Character encoding  |  Rights  |  Reference files   Properties  
 

Signatures

External signatures File extension: wmf
Internal signatures
Name Windows Metafile Image with Placeable File Header
Description Many applications that create metafiles prepend a 22-byte 'Placeable File Header' to the metafile: https://msdn.microsoft.com/en-us/library/windows/desktop/ms534075(v=vs.85).aspx Magic number 0x9AC6CDD7, 2-byte handle, always 0, skip 16 bytes, File type (1 or 2), header size in words, always 9.
Byte sequences
Position type Absolute from BOF
Offset 0
Byte order  
Value D7CDC69A0000{16}01000900
Name Windows Metafile Image without Placeable File Header
Description File type (1 or 2), header size in words, always 9. Version either 01 or 03
Byte sequences
Position type Absolute from BOF
Offset 0
Maximum Offset 0
Byte order  
Value 0100090000(01|03)
Top of page Top of page
 
         
The National Archives Newsletter Icon

Send me The National Archives’ newsletter

A monthly round-up of news, blogs, offers and events.