| Name | LATIN CAPITAL LETTER O WITH DIAERESIS AND MACRON |
| Unicode Version | 3.0 |
| Block（ブロック） | Latin Extended-B（ラテン文字拡張B） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | Ȫ Ȫ |
| UTF-8 Encoding | Ȫ c8aa |
| UTF-16 Encoding | Ȫ 022a |
| UTF-32 Encoding | Ȫ 0000022a |