Relativity supports the following standard character sets:
| Windows Latin 1 | MS-DOS Cyrillic CIS-1 | MS-DOS Hebrew |
| Windows Latin 2 | MS-DOS Turkish | EBCDIC US Canada |
| Windows Latin 5 | MS-DOS Portuguese | EBCDIC International |
| Windows Cyrillic | MS-DOS Icelandic | EBCDIC Greek |
| Windows Greek | MS-DOS French Canada | EBCDIC Latin 5 Turkish |
| Windows Baltic Rim | MS-DOS Greek | ISO 8859-1 |
| Windows Hebrew | MS-DOS Greek 1 | ISO 8859-2 |
| Windows Arabic | MS-DOS Greek 2 | ISO 8859-5 |
| MS-DOS Latin US | MS-DOS Baltic Rim | ISO 8859-6 |
| MS-DOS Latin 1 | MS-DOS Russian | ISO 8859-7 |
| MS-DOS Latin 2 | MS-DOS Arabic | ISO 8859-8 |
| MS-DOS Cyrillic | MS-DOS Arabic ASMO |