These constants are only available when your project has an explicit reference to the appropriate type library containing these constant definitions.
| Constant | Value | Description |
| Normal | 0 | Normal file. No attributes are set. |
| ReadOnly | 1 | Read-only file. Attribute is read/write. |
| Hidden | 2 | Hidden file. Attribute is read/write. |
| System | 4 | System file. Attribute is read/write. |
| Volume | 8 | Disk drive volume label. Attribute is read-only. |
| Directory | 16 | Folder or directory. Attribute is read-only. |
| Archive | 32 | File has changed since last backup. Attribute is read/write. |
| Alias | 64 | Link or shortcut. Attribute is read-only. |
| Compressed | 128 | Compressed file. Attribute is read-only. |