The following table lists all the possible language codes used to specify various system settings.
| af Afrikaans | sq Albanian | 
| ar-sa Arabic (Saudi Arabia) | ar-iq Arabic (Iraq) | 
| ar-eg Arabic (Egypt) | ar-ly Arabic (Libya) | 
| ar-dz Arabic (Algeria) | ar-ma Arabic (Morocco) | 
| ar-tn Arabic (Tunisia) | ar-om Arabic (Oman) | 
| ar-ye Arabic (Yemen) | ar-sy Arabic (Syria) | 
| ar-jo Arabic (Jordan) | ar-lb Arabic (Lebanon) | 
| ar-kw Arabic (Kuwait) | ar-ae Arabic (U.A.E.) | 
| ar-bh Arabic (Bahrain) | ar-qa Arabic (Qatar) | 
| eu Basque | bg Bulgarian | 
| be Belarusian | ca Catalan | 
| zh-tw Chinese (Taiwan) | zh-cn Chinese (PRC) | 
| zh-hk Chinese (Hong Kong, S.A.R. China) | zh-sg Chinese (Singapore) | 
| hr Croatian | cs Czech | 
| da Danish | nl Dutch (Standard) | 
| nl-be Dutch (Belgium) | en English | 
| en-us English (United States) | en-gb English (Great Britain) | 
| en-au English (Australia) | en-ca English (Canada) | 
| en-nz English (New Zealand) | en-ie English (Ireland) | 
| en-za English (South Africa) | en-jm English (Jamaica) | 
| en English (Caribbean) | en-bz English (Belize) | 
| en-tt English (Trinidad) | et Estonian | 
| fo Faeroese | fa Farsi | 
| fi Finnish | fr French (Standard) | 
| fr-be French (Belgium) | fr-ca French (Canada) | 
| fr-ch French (Switzerland) | fr-lu French (Luxembourg) | 
| gd Gaelic (Scotland) | gd-ie Gaelic (Ireland) | 
| de German (Standard) | de-ch German (Switzerland) | 
| de-at German (Austria) | de-lu German (Luxembourg) | 
| de-li German (Liechtenstein) | el Greek | 
| he Hebrew | hi Hindi | 
| hu Hungarian | is Icelandic | 
| in Indonesian | it Italian (Standard) | 
| it-ch Italian (Switzerland) | ja Japanese | 
| ko Korean | ko Korean (Johab) | 
| lv Latvian | lt Lithuanian | 
| mk Macedonian | ms Malaysian | 
| mt Maltese | no Norwegian (Bokmal) | 
| no Norwegian (Nynorsk) | pl Polish | 
| pt-br Portuguese (Brazil) | pt Portuguese (Standard) | 
| rm Rhaeto-Romanic | ro Romanian | 
| ro-mo Romanian (Moldavia) | ru Russian | 
| ru-mo Russian (Moldavia) | sz Sami (Lappish) | 
| sr Serbian (Cyrillic) | sr Serbian (Latin) | 
| sk Slovak | sl Slovenian | 
| sb Sorbian | es Spanish (Spain – Traditional) | 
| es-mx Spanish (Mexico) | es Spanish (Spain – Modern) | 
| es-gt Spanish (Guatemala) | es-cr Spanish (Costa Rica) | 
| es-pa Spanish (Panama) | es-do Spanish (Dominican Republic) | 
| es-ve Spanish (Venezuela) | es-co Spanish (Colombia) | 
| es-pe Spanish (Peru) | es-ar Spanish (Argentina) | 
| es-ec Spanish (Ecuador) | es-cl Spanish (Chile) | 
| es-uy Spanish (Uruguay) | es-py Spanish (Paraguay) | 
| es-bo Spanish (Bolivia) | es-sv Spanish (El Salvador) | 
| es-hn Spanish (Honduras) | es-ni Spanish (Nicaragua) | 
| es-pr Spanish (Puerto Rico) | sx Sutu | 
| sv Swedish | sv-fi Swedish (Finland) | 
| th Thai | ts Tsonga | 
| tn Tswana | tr Turkish | 
| uk Ukrainian | ur Urdu | 
| ve Venda | vi Vietnamese | 
| xh Xhosa | ji Yiddish | 
| zu Zulu |