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NTFS General Information
> NTFS Basics > exFAT Overview > Volume GUID Directory Entry
Volume GUID Directory Entry
Offset |
Size |
Description |
Comments |
0 (0x00) |
1 |
EntryType |
0xA0 |
1 (0x01) |
1 |
SecondaryCount |
Must be 0x00 |
| 2 (0x02) |
2 |
SetChecksum |
|
| 4 (0x04) |
2 |
GeneralPrimaryFlags
| Bits |
Size |
Attribute |
Comments |
| 0 |
1 |
AllocationPossible |
Must be 0 |
| 1 |
1 |
NoFatChain |
Must be 0 |
| 2 |
14 |
CustomDefined |
|
|
|
| 6 (0x06) |
16 |
VolumeGuid |
All values are valid except null GUID {00000000-0000-0000-0000-000000000000} |
| 2 (0x16) |
10 |
Reserved |
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This is a benign primary directory entry and may not present in a file system.
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