This is a list of languages and their identifiers as assigned by Microsoft and used in Microsoft products.
| Language | Primary ID | Sub ID | Language Code |
|---|---|---|---|
| Afrikaans | 54 | 1 | afk |
| Albanian | 28 | 1 | sqi |
| Arabic (Saudi Arabia) | 1 | 1 | ara |
| Arabic (Iraq) | 1 | 2 | ari |
| Arabic (Egypt) | 1 | 3 | are |
| Arabic (Libya) | 1 | 4 | arl |
| Arabic (Algeria) | 1 | 5 | arg |
| Arabic (Morocco) | 1 | 6 | arm |
| Arabic (Tunisia) | 1 | 7 | art |
| Arabic (Oman) | 1 | 8 | aro |
| Arabic (Yemen) | 1 | 9 | ary |
| Arabic (Syria) | 1 | 10 | ars |
| Arabic (Jordan) | 1 | 11 | arj |
| Arabic (Lebanon) | 1 | 12 | arb |
| Arabic (Kuwait) | 1 | 13 | ark |
| Arabic (U.A.E.) | 1 | 14 | aru |
| Arabic (Bahrain) | 1 | 15 | arh |
| Arabic (Qatar) | 1 | 16 | arq |
| Armenian | 43 | 1 | hye |
| Assamese | 77 | 1 | asm |
| Azeri (Latin) | 44 | 1 | aze |
| Azeri (Cyrillic) | 44 | 2 | azb |
| Basque | 45 | 1 | euq |
| Belorussian | 35 | 1 | bel |
| Bengali | 69 | 1 | ben |
| Bulgarian | 2 | 1 | bgr |
| Catalan | 3 | 1 | cat |
| Chinese (Taiwan) | 4 | 1 | cht |
| Chinese (P.R.C) | 4 | 2 | chs |
| Chinese (Hong Kong) | 4 | 3 | chh |
| Chinese (Singapore) | 4 | 4 | chi |
| Chinese (Macao) | 4 | 5 | chm |
| Czech | 5 | 1 | csy |
| Danish | 6 | 1 | dan |
| Dutch (Netherlands) | 19 | 1 | nld |
| Dutch (Belgium) | 19 | 2 | nlb |
| English (USA) | 9 | 1 | enu |
| English (GB) | 9 | 2 | eng |
| English (Australia) | 9 | 3 | ena |
| English (Canada) | 9 | 4 | enc |
| English (New Zealand) | 9 | 5 | enz |
| English (Ireland) | 9 | 6 | eni |
| English (South Africa) | 9 | 7 | ens |
| English (Jamaica) | 9 | 8 | enj |
| English (Caribbean) | 9 | 9 | enb |
| English (Belize) | 9 | 10 | enl |
| English (Trinidad) | 9 | 11 | ent |
| English (Zimbabwe) | 9 | 12 | enw |
| English (Philippines) | 9 | 13 | enp |
| Estonian | 37 | 1 | eti |
| Faeroese (Faeroe Islands) | 56 | 1 | fos |
| Farsi | 41 | 1 | far |
| Finnish | 11 | 1 | fin |
| French | 12 | 1 | fra |
| French (Belgium) | 12 | 2 | frb |
| French (Canada) | 12 | 3 | frc |
| French (Switzerland) | 12 | 4 | frs |
| French (Luxembourg) | 12 | 5 | frl |
| French (Monaco) | 12 | 6 | frm |
| Georgian | 55 | 1 | kat |
| German | 7 | 1 | deu |
| German (Switzerland) | 7 | 2 | des |
| German (Austria) | 7 | 3 | dea |
| German (Luxembourg) | 7 | 4 | del |
| German (Liechtenstein) | 7 | 5 | dec |
| Greek | 8 | 1 | ell |
| Gujarati | 71 | 1 | guj |
| Hebrew | 13 | 1 | hbr |
| Hindi | 57 | 1 | hin |
| Hungarian | 14 | 1 | hun |
| Icelandic | 15 | 1 | isl |
| Indonesian | 33 | 1 | ind |
| Italian | 16 | 1 | ita |
| Italian (Switzerland) | 16 | 2 | its |
| Japanese | 17 | 1 | jpn |
| Kannada | 75 | 1 | kan |
| Kashmiri (Indien) | 96 | 2 | |
| Kazak | 63 | 1 | kaz |
| Konkani | 87 | 1 | kok |
| Korean | 18 | 1 | kor |
| Latvian | 38 | 1 | lvi |
| Lithuanian | 39 | 1 | lth |
| Lithuanian (old) | 39 | 2 | ltc |
| Macedonian | 47 | 1 | mki |
| Malay (Malaysia) | 62 | 1 | msl |
| Malay (Brunei/Darussalam) | 62 | 2 | msb |
| Malayalam | 76 | 1 | mal |
| Manipuri | 88 | 1 | |
| Marathi | 78 | 1 | mar |
| Nepalese (Indien) | 97 | 2 | |
| Norwegian (Bokmal) | 20 | 1 | nor |
| Norwegian (Nynorsk) | 20 | 2 | non |
| Oriya | 72 | 1 | ori |
| Polish | 21 | 1 | plk |
| Portuguese | 22 | 2 | ptg |
| Portuguese (Brazil) | 22 | 1 | ptb |
| Punjabi | 70 | 1 | pan |
| Romanian | 24 | 1 | rom |
| Russian | 25 | 1 | rus |
| Sanskrit | 79 | 1 | san |
| Serbo-Croatian (Latin) | 26 | 2 | srl |
| Serbo-Croatian (Cyrillic) | 26 | 3 | srb |
| Sindhi | 89 | 1 | |
| Slovak | 27 | 1 | sky |
| Slovenian | 36 | 1 | slv |
| Spanish (Castilian) | 10 | 1 | esp |
| Spanish (Mexico) | 10 | 2 | esm |
| Spanish (Modern) | 10 | 3 | esn |
| Spanish (Guatemala) | 10 | 4 | esg |
| Spanish (Costa Rica) | 10 | 5 | esc |
| Spanish (Panama) | 10 | 6 | esa |
| Spanish (Dom. Republic) | 10 | 7 | esd |
| Spanish (Venezuela) | 10 | 8 | esv |
| Spanish (Columbia) | 10 | 9 | eso |
| Spanish (Peru) | 10 | 10 | esr |
| Spanish (Argentina) | 10 | 11 | ess |
| Spanish (Ecuador) | 10 | 12 | esf |
| Spanish (Chile) | 10 | 13 | esl |
| Spanish (Uruguay) | 10 | 14 | esy |
| Spanish (Paraguay) | 10 | 15 | esz |
| Spanish (Bolivia) | 10 | 16 | esb |
| Spanish (El Salvador) | 10 | 17 | ese |
| Spanish (Honduras) | 10 | 18 | esh |
| Spanish (Nicaragua) | 10 | 19 | esi |
| Spanish (Puerto Rico) | 10 | 20 | esu |
| Swahili | 65 | 1 | swh |
| Swedish | 29 | 1 | sve |
| Swedish (Finland) | 29 | 2 | svf |
| Tamil | 73 | 1 | tam |
| Tatar | 68 | 1 | tat |
| Telugu | 74 | 1 | tel |
| Thai | 30 | 1 | tha |
| Turkish | 31 | 1 | trk |
| Ukrainian | 34 | 1 | ukr |
| Urdu (Pakistan) | 32 | 1 | urp |
| Urdu (India) | 32 | 2 | uri |
| Uzbek (Latin) | 67 | 1 | uzb |
| Uzbek (Cyrillic) | 67 | 2 | uzc |
| Vietnamese | 42 | 1 | vit |