| Name |
Cardfile (MGC) |
| Description |
BOF: Magic bytes ‘MGC’, ‘RRG’ or 'DKO' at beginning of file. The initial versions of Cardfile have the magic bytes 'MCG'. When Cardfile updated to add OLE support the file signature changed to 'RRG'. Finally the file signature changed to 'DKO' when released as a 32-bit accessory and the character width changed in order to support unicode. |
| Byte sequences |
| Position type |
Absolute from BOF |
| Offset |
0 |
| Maximum Offset |
2 |
| Byte order |
|
| Value |
4D4743 |
|
| Name |
Cardfile (RRG) |
| Description |
Cardfile updated to add OLE support and the magic bytes changed to 'RRG' at the beginning of the file. |
| Byte sequences |
| Position type |
Absolute from BOF |
| Offset |
0 |
| Maximum Offset |
2 |
| Byte order |
|
| Value |
525247 |
|
| Name |
Cardfile (DKO) |
| Description |
The magic bytes changed to 'DKO' at the beginning of the file when released as a 32-bit accessory. |
| Byte sequences |
| Position type |
Absolute from BOF |
| Offset |
0 |
| Maximum Offset |
2 |
| Byte order |
|
| Value |
444B4F |
|
Details: File format summary
: detailed report on file format 
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