| iKota | koq-000 | +w- |
| Náhuat Zacapoaxtla | azz-000 | -w |
| bamanankan | bam-000 | -w |
| Girawa | bbr-000 | -w |
| Yolŋu-matha | dhg-000 | -w |
| Gumalu | gmu-000 | -w |
| Ibatan | ivb-000 | -w |
| Taqbaylit | kab-000 | -w |
| Nyulnyul | nyv-000 | -w |
| Uya | usu-000 | -w |
| iciBemba | bem-000 | -w- |
| Bepour | bie-000 | -w- |
| Migum | klm-000 | -w- |
| Fox | sac-001 | -w- |
| Siroi | ssd-000 | -w- |
| Samosa | swm-000 | -w- |
| Yangulam | ynl-000 | -w- |
| Demotic | egy-006 | .w |
| Afrikaans | afr-000 | W |
| Akan | aka-000 | W |
| toskërishte | als-000 | W |
| atomic symbols | art-010 | W |
| kinship notation | art-251 | W |
| Universal Networking Language | art-253 | W |
| ISO 80000-9 Annex A | art-255 | W |
| Unicode Property Value Aliases | art-318 | W |
| Ekibena | bez-000 | W |
| brezhoneg | bre-000 | W |
| български | bul-000 | W |
| català | cat-000 | W |
| čeština | ces-000 | W |
| dansk | dan-000 | W |
| Kitaita | dav-000 | W |
| Deutsch | deu-000 | W |
| dolnoserbska reč | dsb-000 | W |
| eesti | ekk-000 | W |
| English | eng-000 | W |
| Esperanto | epo-000 | W |
| euskara | eus-000 | W |
| suomi | fin-000 | W |
| français | fra-000 | W |
| Frysk | fry-000 | W |
| Afaan Oromoo | gaz-000 | W |
| galego | glg-000 | W |
| hrvatski | hrv-000 | W |
| hornjoserbšćina | hsb-000 | W |
| magyar | hun-000 | W |
| արևելահայերեն | hye-000 | W |
| interlingua | ina-000 | W |
| íslenska | isl-000 | W |
| italiano | ita-000 | W |
| Kĩkamba | kam-000 | W |
| Rumuhei | klq-000 | W |
| Lingua Franca Nova | lfn-000 | W |
| lietuvių | lit-000 | W |
| Lakȟótiyapi | lkt-000 | W |
| Lëtzebuergesch | ltz-000 | W |
| Dholuo | luo-000 | W |
| Oluluyia | luy-000 | W |
| latviešu | lvs-000 | W |
| Kĩmĩrũ | mer-000 | W |
| mundaŋ | mua-000 | W |
| Nàmá | naq-000 | W |
| Nederlands | nld-000 | W |
| provençau, nòrma mistralenca | oci-002 | W |
| polski | pol-000 | W |
| português | por-000 | W |
| Prūsiskan | prg-000 | W |
| română | ron-000 | W |
| русский | rus-000 | W |
| Samburu | saq-000 | W |
| slovenčina | slk-000 | W |
| slovenščina | slv-000 | W |
| español | spa-000 | W |
| Lengua de signos española | ssp-000 | W |
| svenska | swe-000 | W |
| Kiswahili | swh-000 | W |
| ภาษาไทย | tha-000 | W |
| lea fakatonga | ton-000 | W |
| türkmençe | tuk-000 | W |
| Türkçe | tur-000 | W |
| اردو | urd-000 | W |
| Ўзбекча | uzn-001 | W |
| tiếng Việt | vie-000 | W |
| Walser | wae-000 | W |
| èdè Yorùbá | yor-000 | W |
| lingua siciliana | scn-000 | W - - - - - - - - |
| polski | pol-000 | W& |
| English | eng-000 | W. |
| Australian English | eng-009 | W. |
| bahasa Indonesia | ind-000 | W. |
| Lëtzebuergesch | ltz-000 | W. |
| Ambrak | aag-000 | w |
| Abui | abz-000 | w |
| anicinâbemowin | alq-000 | w |
| luenga aragonesa | arg-000 | w |
| Na’vi | art-011 | w |
| filename extensions | art-335 | w |
| Bamwe | bmg-000 | w |
| català | cat-000 | w |
| čeština | ces-000 | w |
| kaszëbsczi jãzëk | csb-000 | w |
| Cymraeg | cym-000 | w |
| Deutsch | deu-000 | w |
| dolnoserbska reč | dsb-000 | w |
| Dutton Speedwords | dws-000 | w |
| eesti | ekk-000 | w |
| English | eng-000 | w |
| suomi | fin-000 | w |
| français | fra-000 | w |
| galego | glg-000 | w |
| Dache | gmv-001 | w |
| kreyòl ayisyen | hat-000 | w |
| hrvatski | hrv-000 | w |
| hornjoserbšćina | hsb-000 | w |
| íslenska | isl-000 | w |
| italiano | ita-000 | w |
| Nihongo | jpn-001 | w |
| ikinyarwanda | kin-000 | w |
| Rumuhei | klq-000 | w |
| Kurmancî | kmr-000 | w |
| 한국어 | kor-000 | w |
| Kulango | kzc-000 | w |
| latine | lat-000 | w |
| Hmoob Dawb | mww-000 | w |
| Moi—Stokhof Flassy | mxn-001 | w |
| Muyuw | myw-000 | w |
| Nāhuatlahtōlli | nci-000 | w |
| Nederlands | nld-000 | w |
| nynorsk | nno-000 | w |
| bokmål | nob-000 | w |
| occitan | oci-000 | w |
| awaete | pak-000 | w |
| polski | pol-000 | w |
| português | por-000 | w |
| slovenčina | slk-000 | w |
| slovenščina | slv-000 | w |
| davvisámegiella | sme-000 | w |
| español | spa-000 | w |
| Türkçe | tur-000 | w |
| èdè Yorùbá | yor-000 | w |
| diidza xhon | zad-000 | w |
| Bodéwadmimwen | pot-000 | w = |
| filename extensions | art-335 | w$ |
| Ambrak | aag-000 | w- |
| Angaua | anh-000 | w- |
| Bukiyip-Laycock | ape-001 | w- |
| Au | avt-000 | w- |
| Beli | bey-000 | w- |
| Bongu | bpu-000 | w- |
| Dengebu | dec-000 | w- |
| Dia | dia-000 | w- |
| Bandjigali | drl-005 | w- |
| Elkei | elk-000 | w- |
| Apali | ena-000 | w- |
| Kamba | fad-000 | w- |
| Ko | fuj-000 | w- |
| Gamo | gmv-000 | w- |
| Hamtai | hmt-000 | w- |
| Ngile | jle-000 | w- |
| Kʼahšá:ya | kju-000 | w- |
| Hach tʼan | lac-000 | w- |
| Mawak | mjj-000 | w- |
| Siliput | mkc-000 | w- |
| Iauga—Dungerwab | ncm-001 | w- |
| Ningil | niz-000 | w- |
| Olo | ong-000 | w- |
| Yahang | rhp-000 | w- |
| Seti | sbi-000 | w- |
| Saki | sks-001 | w- |
| Pila | sks-002 | w- |
| Seta | stf-000 | w- |
| Tagoi | tag-000 | w- |
| Maiani | tnh-000 | w- |
| Trinitario | trn-000 | w- |
| mji nja̱ | txg-000 | w- |
| Urat | urt-001 | w- |
| Wanap | wnp-000 | w- |
| Usan | wnu-000 | w- |
| Kowaki | xow-000 | w- |
| Yis | yis-000 | w- |
| Yil | yll-000 | w- |
| Yarawata | yrw-000 | w- |
| Yau | yyu-000 | w- |
| Afrikaans | afr-000 | w. |
| Deutsch | deu-000 | w. |
| English | eng-000 | w. |
| polski | pol-000 | w. |
| ʔanhpün tzame | zoh-000 | w@ |
| Aln8ba8dwaw8gan | abe-000 | wʼ |
| zarmaciine | dje-000 | wʼ |
| Leti | lti-000 | w̃ |
| Nias | nia-000 | w̃ |
| Limbum | lmp-000 | w̆˩˥ |
| Limbum | lmp-000 | w̆˩˥̄ |
| Limbum | lmp-000 | w̆̆ |
| mədəŋkyɛ | bgj-000 | w̆̌ |
| Kofa | nfu-000 | w̌ |
| mədəŋkyɛ | bgj-000 | w̌̃ |
| mədəŋkyɛ | bgj-000 | w̌̌ |
| atembwəʼwi | azo-000 | ŵ |
| Kofa | nfu-000 | ŵ˩˥ |
| Kofa | nfu-000 | ŵ̌ |
| filename extensions | art-335 | w01 |
| TechTarget file types | art-336 | W01-Archive-file |
| TechTarget file types | art-336 | W01-Yamaha-SY-Series-Wave-File |
| filename extensions | art-335 | w02 |
| TechTarget file types | art-336 | W02-Archive-file |
| TechTarget file types | art-336 | W02-TEMP-file |
| filename extensions | art-335 | w04 |
| TechTarget file types | art-336 | W04-Wright-Design-s-Design-Image-archive-file-format |
| filename extensions | art-335 | w14 |
| TechTarget file types | art-336 | W14-Genesis-2000-Genesis-2000-Inc |
| filename extensions | art-335 | w16 |
| TechTarget file types | art-336 | W16-Genesis-2000-Genesis-2000-Inc |
| iKota | koq-000 | +W1ang- |
| English | eng-000 | W1: Windows 3.1 Latin 1 |
| Türkçe | tur-000 | W1: Windows 3.1 Latin 1 |
| English | eng-000 | w 2 |
| Met Remenkēmi | cop-002 | w2 |
| Tlacoatzintepec | ctl-000 | w2 |
| filename extensions | art-335 | w20 |
| TechTarget file types | art-336 | W20-Windows2000-related-file |
| français | fra-000 | W221 |
| filename extensions | art-335 | w2a |
| TechTarget file types | art-336 | W2A-Yamaha-Motif-all-format |
| English | eng-000 | W2L |
| filename extensions | art-335 | w2m |
| TechTarget file types | art-336 | W2M-Solo-Explorer-Transcription-Gailius-Raskinis |
| TechTarget file types | art-336 | W2M-Solo-Explorer-Transcription-Header |
| Nunggubuyu | nuy-000 | w₂ulalwulal |
| Nunggubuyu | nuy-000 | w₂ulañbaj |
| Nunggubuyu | nuy-000 | w₂ula-wā |
| filename extensions | art-335 | w2v |
| TechTarget file types | art-336 | W2V-Yamaha-Motif-voices-format |
| filename extensions | art-335 | w2w |
| TechTarget file types | art-336 | W2W-Yamaha-Motif-waveforms-format |
| 日本語 | jpn-000 | W-3 |
| العربية | arb-000 | W3 |
| Ôxômiya | asm-002 | W3 |
| català | cat-000 | W3 |
| 普通话 | cmn-000 | W3 |
| dansk | dan-000 | W3 |
| Deutsch | deu-000 | W3 |
| ελληνικά | ell-000 | W3 |
| English | eng-000 | W3 |
| euskara | eus-000 | W3 |
| français | fra-000 | W3 |
| עברית | heb-000 | W3 |
| magyar | hun-000 | W3 |
| italiano | ita-000 | W3 |
| 日本語 | jpn-000 | W3 |
| кыргыз | kir-000 | W3 |
| Hangungmal | kor-001 | W3 |
| Makedonski jazik | mkd-001 | W3 |
| Malti | mlt-000 | W3 |
| Nederlands | nld-000 | W3 |
| bokmål | nob-000 | W3 |
| پښتو ژبه | pbu-000 | W3 |
| português | por-000 | W3 |
| русский | rus-000 | W3 |
| español | spa-000 | W3 |
| svenska | swe-000 | W3 |
| tatar tele | tat-000 | W3 |
| Türkçe | tur-000 | W3 |
| اردو | urd-000 | W3 |
| tiếng Việt | vie-000 | W3 |
| Bahasa Malaysia | zsm-000 | W3 |
| Anambé | aan-000 | w3 |
| adyghabze | ady-003 | w3 |
| Amele | aey-000 | w3 |
| filename extensions | art-335 | w3 |
| Babungo | bav-000 | w3 |
| Bagirmi | bmi-000 | w3 |
| Mienge | bsi-000 | w3 |
| Barasana | bsn-001 | w3 |
| Elung | bss-001 | w3 |
| Nninong | bss-002 | w3 |
| Balong | bwt-000 | w3 |
| Chayahuita | cbt-000 | w3 |
| Kamuku | cdr-000 | w3 |
| pãmié | cub-000 | w3 |
| C’lela | dri-000 | w3 |
| Pahouin | fan-000 | w3 |
| Hunzib | huz-000 | w3 |
| adəgăbză | kbd-001 | w3 |
| Koshin | kid-000 | w3 |
| Kru | klu-000 | w3 |
| Korak | koz-000 | w3 |
| Kayabi | kyz-000 | w3 |
| Lefa | lfa-000 | w3 |
| Banda-Bambari | liy-000 | w3 |
| Limbum | lmp-000 | w3 |
| Eho Mbo | mbo-000 | w3 |
| Nla Mbo | mbo-001 | w3 |
| Mada | mda-000 | w3 |
| Nco | mda-004 | w3 |
| Naki | mff-000 | w3 |
| Nisenan | nsz-000 | w3 |
| Hñähñu | ote-000 | w3 |
| Panim | pnr-000 | w3 |
| Nuntajɨyi | poi-000 | w3 |
| Texixtepec | poq-000 | w3 |
| myxʼabišdy čʼel | rut-000 | w3 |
| Scots leid | sco-000 | w3 |
| Bonek | ttf-000 | w3 |
| Tunen | tvu-000 | w3 |
| Alinga | tvu-001 | w3 |
| Kasem | xsm-000 | w3 |
| Yele | yle-000 | w3 |
| tajtsaꞌway ꞌyode | zor-000 | w3 |
| mundaŋ | mua-000 | w3* |
| filename extensions | art-335 | w30 |
| English | eng-000 | W 306 alloy |
| TechTarget file types | art-336 | W30-Printer-font-AST-TurboLaser |
| TechTarget file types | art-336 | W30-Printer-font-Ventura-Publisher |
| filename extensions | art-335 | w31 |
| TechTarget file types | art-336 | W31-Startup-file-Microsoft-Windows-3-1 |
| filename extensions | art-335 | w32 |
| Deutsch | deu-000 | W32.Blaster |
| English | eng-000 | W32/ Brontok -DP worm file |
| TechTarget file types | art-336 | W32-Compiler-Makefile |
| English | eng-000 | W32/ Liji -A |
| English | eng-000 | W32/SillyFDC-AS |
| English | eng-000 | W32/ Sober -AD |
| TechTarget file types | art-336 | W32-Win32-file |
| TechTarget file types | art-336 | W32-WinCAPs-subtitle-file |
| English | eng-000 | W32/ Yayin -A Worm Data File |
| Pinai | pnn-000 | w35a |
| Yimas | yee-000 | w35c3mp3t |
| Cacua | cbv-000 | w3*7 |
| Waviare | mbr-000 | w3*7 |
| Pemon Taurepan | aoc-000 | w37 |
| Nninong | bss-002 | w37 |
| Jupda | jup-000 | w37 |
| Macushi | mbc-000 | w37 |
| Tikar Akuen | tik-002 | w37 |
| cuy-000 | w37i | |
| Ticuna | tca-000 | w37i |
| yɨʼmayagaala | byr-000 | w37n |
| Pero | pip-000 | w383k |
| filename extensions | art-335 | w3a |
| Yuruna | jur-000 | w3a |
| Xipaya | xiy-000 | w3a |
| TechTarget file types | art-336 | W3-APL-Win-Workspace-APL2000-Inc |
| TechTarget file types | art-336 | W3A-Warcraft-III-Abilities-Export-File-Contained-in-a-Warcraft-III-map |
| filename extensions | art-335 | w3b |
| Limbum | lmp-000 | w3b |
| Pashin Kakari Pashto | pbt-003 | w3b3 |
| TechTarget file types | art-336 | W3B-Warcraft-III-Destructables-Export-File-Contained-in-a-Warcraft-III-map |
| العربية | arb-000 | W3C |
| SPDX License List Identifier | art-298 | W3C |
| bălgarski ezik | bul-001 | W3C |
| català | cat-000 | W3C |
| 普通话 | cmn-000 | W3C |
| dansk | dan-000 | W3C |
| Deutsch | deu-000 | W3C |
| eesti | ekk-000 | W3C |
| ελληνικά | ell-000 | W3C |
| English | eng-000 | W3C |
| Esperanto | epo-000 | W3C |
| français | fra-000 | W3C |
| עברית | heb-000 | W3C |
| Hindi | hin-002 | W3C |
| hrvatski | hrv-000 | W3C |
| magyar | hun-000 | W3C |
| italiano | ita-000 | W3C |
| 日本語 | jpn-000 | W3C |
| Hangungmal | kor-001 | W3C |
| lietuvių | lit-000 | W3C |
| latviešu | lvs-000 | W3C |
| Nederlands | nld-000 | W3C |
| bokmål | nob-000 | W3C |
| polski | pol-000 | W3C |
| português | por-000 | W3C |
| română | ron-000 | W3C |
| español | spa-000 | W3C |
| srpski | srp-001 | W3C |
| svenska | swe-000 | W3C |
| ภาษาไทย | tha-000 | W3C |
| Türkçe | tur-000 | W3C |
| українська | ukr-000 | W3C |
| tiếng Việt | vie-000 | W3C |
| filename extensions | art-335 | w3c |
| filename extensions | art-335 | w3ca |
| filename extensions | art-335 | w3cat |
| TechTarget file types | art-336 | W3CAT-WinCatalog-Collection-WinCatalog-com |
| TechTarget file types | art-336 | W3CA-WinCatalog-Collection-WinCatalog-com |
| čeština | ces-000 | W3C-DTF |
| English | eng-000 | W3C-DTF |
| DCMI Metadata Terms | art-301 | W3CDTF |
| čeština | ces-000 | W3CDTF |
| Texixtepec | poq-000 | w3Ce7 |
| Tohono O'odham | ood-000 | w3CiZ |
| srpski | srp-001 | W3C konzorcijum |
| svenska | swe-000 | W3C Markup Validation Service |
| Bragat | aof-000 | w3co |
| English | eng-000 | W3C Software Notice and License |
| français | fra-000 | W3C Software Notice and License |
| English | eng-000 | W3c vector graphics image file format |
| TechTarget file types | art-336 | W3C-WinCatalog-Collection-WinCatalog-com |
| svenska | swe-000 | W3C (World Wide Web Consortium) |
| Cacua | cbv-000 | w3*d |
| filename extensions | art-335 | w3d |
| Cacua | cbv-000 | w3d |
| Iauga—Dungerwab | ncm-001 | w3d3g3le |
| المغربية | ary-000 | w3d3n |
| TechTarget file types | art-336 | W3D-Adobe-Shockwave-3D-scene-export-file |
| Twana | twa-000 | w3daw7 |
| TechTarget file types | art-336 | W3D-Black-Belt-Systems-Ray-Trace-Control-File |
| Bole | bol-000 | w3d"i |
| Bole | bol-000 | w3di |
| Karekare | kai-000 | w3di |
| Hona | hwo-000 | w3dira |
| Tuoluo Bai | bfc-008 | w3 diu |
| Ishkoman Wakhi | wbl-003 | w3dok |
| TechTarget file types | art-336 | W3D-Shockwave-3D-Scene-Export-File-Adobe-Systems-Incorporated |
| TechTarget file types | art-336 | W3D-Warcraft-III-Doodads-Export-File-Contained-in-a-Warcraft-III-map |
| TechTarget file types | art-336 | W3D-Wolfenstein-Data-File-Id-Software-Inc |
| Tirió | tri-000 | w3epi |
| amarəñña | amh-001 | w3f |
| Ningil | niz-000 | w3f |
| filename extensions | art-335 | w3g |
| Jawony | djn-000 | w3g |
| Jupda | jup-000 | w3g |
| TechTarget file types | art-336 | W3G-Blizzard-Warcraft-III-game-replay-file |
| Pulabu | pup-000 | w3gi |
| TechTarget file types | art-336 | W3G-Warcraft-3-Replay-File |
| TechTarget file types | art-336 | W3G-WarCraft-III-Recorded-Game-File-Header |
| filename extensions | art-335 | w3h |
| Miguel Chimalapa | zoh-002 | w3h3 |
| amarəñña | amh-001 | w3ha |
| Dibabawon Manobo | mbd-000 | w3hig |
| TechTarget file types | art-336 | W3H-Warcraft-III-Buffs-Export-File-Contained-in-a-Warcraft-III-map |
| Akawaio | ake-000 | w3i |
| Waimiri | atr-000 | w3i |
| Biaomin | bje-000 | w3i |
| Dongshan Biao Mon | bmt-001 | w3i |
| Kashibo de San Alejandro | cbr-003 | w3i |
| Danaru | dnr-000 | w3i |
| Kuruaya | kyr-000 | w3i |
| Chepang | cdm-000 | w3i7 |
| Tigwa Manobo | mbt-000 | w3ig |
| Gayo | gay-000 | w3ih |
| wayuunaiki | guc-000 | w3in |
| Guahibo | guh-000 | w3in3 |
| manju gisun | mnc-000 | w3ix3 |
| Mundurukú | myu-000 | w3iyi |
| Akawaio | ake-000 | w3k |
| Cacua | cbv-000 | w3k |
| Iraqw | irk-000 | w3k |
| Jebero | jeb-000 | w3k |
| Nadëb | mbj-000 | w3k |
| Waviare | mbr-000 | w3k |
| Nisenan | nsz-000 | w3k |
| Opayé | opy-000 | w3k3hEg |
| Opayé | opy-000 | w3k3hEgq |
| Me-Wuk | skd-000 | w3ke |
| Ormuṛi | oru-000 | w3kh~ |
| Piame | pin-000 | w3ki |
| Me-Wuk | skd-000 | w3ki |
| lygʼoravetlʼen jilǝjil | ckt-001 | w3kw3Lx3n |
| filename extensions | art-335 | w3l |
| Awji | auw-000 | w3l |
| Mbizinaku | bkm-001 | w3l |
| Dorogori | gdr-003 | w3l |
| Gamaewe | gdr-004 | w3l |
| Kuru | gdr-008 | w3l |
| Podari | gdr-010 | w3l |
| Wonie | gdr-012 | w3l |
| Guayabero | guo-000 | w3l |
| Samba Leko | ndi-000 | w3l |
| Songum | snx-000 | w3l |
| Waskia | wsk-000 | w3l |
| Fang | fak-000 | w3l3 |
| Kpɛlɛwoo | xpe-000 | w3l3 |