Mozilla Thunderbird ESR (th)

Mozilla·Mozilla.Thunderbird.ESR.th

The official annual extended support release of Thunderbird intended for users who want all available new features on an annual basis and stability/security fixes on a monthly basis.

Thunderbird is a free and open source email, newsfeed, chat, and calendaring client, that’s easy to set up and customize. One of the core principles of Thunderbird is the use and promotion of open standards - this focus is a rejection of our world of closed platforms and services that can’t communicate with each other. We want our users to have freedom and choice in how they communicate. This is the official annual extended support release. Thie release is intended for users who want all available new features on an annual basis and stability/security fixes on a monthly basis.

winget install --id Mozilla.Thunderbird.ESR.th --exact --source winget

Latest 140.12.1·June 30, 2026

Release Notes

What’s Fixed fixed Security fixes

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86DownloadF0F0921D90C80FFB1E25F16F469FC90168A6907817EB1E7A7FD14EDEBDB35DAF
x64Download913487AEBD454A4FC97A6CF929AEB018B0BE678F8706167A7FF419478D8733D3

Details

Homepage
https://www.thunderbird.net/
License
MPL-2.0
Publisher
Mozilla
Support
https://support.mozilla.org/
Privacy Policy
https://www.mozilla.org/privacy/thunderbird/
Moniker
thunderbird-esr

Tags

emailmail

Older versions (54)

140.12.0
ArchitectureScopeDownloadSHA256
x86DownloadB0815B29BF7E388D5C5A253706B66414C924FC06DEA18501C649C93E1C12A4A6
x64Download178542DA6A3EA1CD92988DBF6C5D3BD781C1D1BC65972080AA0FD56BE1E4B948
140.11.1
ArchitectureScopeDownloadSHA256
x86DownloadB1CFF508C841232DB869766FE9068E59D2A31F41B0D494F9659472ADBDDFE97D
x64Download003FFC9D5765D3D07E249F4291C5AD0706AF13358B63ABCD614DEC9A903E4937
140.11.0
ArchitectureScopeDownloadSHA256
x86Download8B8035476DED1BA90B550833C6123C929E4B66D2CF90C512E23A20E28346C057
x64Download8D5C78F352306DB4CB74D9309E4A272D1B707C6D40D7CE496FFB9F0D8478C1F5
140.10.2
ArchitectureScopeDownloadSHA256
x86DownloadCD9430E14A549D57E394003AF382CABE4C52A13711AFB11B170A21AC0CC87F55
x64Download08DA1AD355D7E7718816A6EC72F42C4FD003D8665F8D0BB8AC12C7CBAA89887E
140.10.1
ArchitectureScopeDownloadSHA256
x86DownloadD4FE83B678E92E49DBB543C2C6F915D0E9DB50135CAAF55AE2E47FFCA42FEC81
x64Download78F7407BCC32A425AC7B846D02FB262090366ACBD8BECA7FE406F5C5482E51F6
140.10.0
ArchitectureScopeDownloadSHA256
x86Download68E6610214F469C5901CB93D75700701953A48182CA3F182B5D93056F9B7E24B
x64Download22D662002488369DC484211AC10BA38B2DF512A281ADFBED9D9D609B487A251D
140.9.1
ArchitectureScopeDownloadSHA256
x86Download13ED5C5B5541BA5704EBC745B0200AC9B104E246F100885A2BDCA0E7F9E61B99
x64Download6C4BB2D7267BF9AFBEE49E0E5DD565AE764172F5D5F87508AB06405B567EFDD7
140.9.0
ArchitectureScopeDownloadSHA256
x86Download9D335F4E3148F54F2FD2B6CFEB30C6F63757EFE1DB3D8E3A9AFD45FD039D290B
x64Download8C2CA55F652DDC285141CF29ACDF9BD4833E5394994884682531106F5A7CD5D5
140.8.1
ArchitectureScopeDownloadSHA256
x86DownloadD91330B300B9830CBEF3B794FE143A52A9FFECE5269EDD664A508E86EEB17446
x64DownloadEDCAA7C63CE301030805AA990C1933E88A1083CEA3177FF9673C83295D9DB8E2
140.8.0
ArchitectureScopeDownloadSHA256
x86Download5C4C6943373304F034F6FA89E3817A9C36DF25EDEA0770F6FD524695B0C0DF10
x64Download36E41BA958A147AE0C57EBAB441B7FAAAB304218F70538E4D263EB3412AAC5F4
140.7.2
ArchitectureScopeDownloadSHA256
x86Download66A8C040EFC22042CDAFC09B51A2D488C400DC537BF7B3737B3680BACD7EE1FB
x64Download7FC200E0D04F0A0DE48A4BDEAA6975139C86A0E471B3945374ACC9D10A4C959B
140.7.1
ArchitectureScopeDownloadSHA256
x86DownloadCAF1B9CB41BFCBAFD28F3B0863C4A169D2FABA9022D2133C7EB8AC86148E2BEB
x64Download37CAB45DE8641EDF2E8EB1F1FF6D6EEBCBD8F62BB35909055F5BAE724320BF83
140.7.0
ArchitectureScopeDownloadSHA256
x86Download92E384DB7AE6F68C3AB943B30D1A7D394A8AA104A8F919154B4AC6445E93B405
x64Download724043B0EEB1E64848DF54A7B267CED77263F0C26F43C232A041A728C853C079
140.6.0
ArchitectureScopeDownloadSHA256
x86Download0CE867D89AD9AC7BDFC067B5854CF291CC501E52CEB6446EC0182961CACC5E01
x64DownloadC5F32CB8AB022E7E3F79CF0E059D557A78F4FBD3ED0100F147939ABFE4B04B74
140.5.0
ArchitectureScopeDownloadSHA256
x86Download6DBDA1752F247A1C4DC57F812B0CD2F17842507C04A6C71FBD9E14F574F7E8EA
x64DownloadE2A279785F476212FC414D816A13A4E92BB4A2D762EF6B08C64B77BB985B29CA
140.4.0
ArchitectureScopeDownloadSHA256
x86DownloadBD0EE46746988D74DA27B21C29AB64F557B99C60556800AC61EAB895F8BF2A01
x64Download7D169F936C2AD6DC9D1844B6371120ADC80EF6E090AF803DA743C9C3E0F8FEBE
140.3.1
ArchitectureScopeDownloadSHA256
x86DownloadE912EAB38C4C61B133154DF903AB0351699577BDC8E119DE096F7BC8EBCCD0A3
x64DownloadD2A59E57AAD62A356259E889FCD62E4AC29E9294E7F7437B38757F79AE36C56D
140.3.0
ArchitectureScopeDownloadSHA256
x86Download93A02D75079C170249DA51CC7ED69E56CD36D116596F9892633EA9F2791EA3BE
x64DownloadAF4D4333B4490E8CC1A770EFA82CA7D0550C33567344DC8ADB720D5AB0829996
140.2.1
ArchitectureScopeDownloadSHA256
x86Download11DEAE0A03C8DB9790BD6D6039BC10878F6ACBD19E34D150CB6F9772BFB6151F
x64DownloadEACF66135EFC270FAADC94268E5AB01A0DDEFCAE22F5CEB75B5BA43D1ADDF7F7
140.2.0
ArchitectureScopeDownloadSHA256
x86Download064FC74D6A3048A561AC2E7C4472294279AC05B5EFC1DE74C986EE19A0B0195E
x64Download992DD6DA3E7991509025285DEF3E7718E37706CD17DC3B1084229286197FB6A8
140.1.1
ArchitectureScopeDownloadSHA256
x86Download36148E05EA36D43EF0E972D0C86E48BF504E0CDDE85A85B38D53D68DBD5CE871
x64DownloadF62323637754F41315A0965BBB9DB983B0BA0F172AB73F8F4350C9CBC7F61CBF
128.14.0
ArchitectureScopeDownloadSHA256
x86Download47CA6AA9B4B072F45B6C20114063D0056B0F97253A3C97396D5735B46757C5E7
x64Download4A0DF976087D2D46B5002468BFA5A0A905AA43A32B2B3C77A953C6C275D015C7
128.13.0
ArchitectureScopeDownloadSHA256
x86DownloadBD96AE2C79E5372393147ED47ABC33C3ACD686407BC02D205291F04BCA82693D
x64DownloadFDCF67532AD6B92C669610283B9C2067BFE36682DE564CA7A940669A34A1ACEE
128.12.0
ArchitectureScopeDownloadSHA256
x86Download668FA8D4827A5B4C19DA7EB478E939BFF2823157C9C71D439149DA7EA97A8138
x64Download0ABB02F1AED4FECFA4BD7F4639AE9F9C5AD90177A60395FB95851DC43DF8F813
128.11.1
ArchitectureScopeDownloadSHA256
x86Download8FB11E66E7F09F3FC3653C8DB2F020FF129B9C065CB464C2377B70BDD3A55349
x64Download24AAA19A175C8479CC771356D30E6DC1ADE622CF9D3A3C15718B568AECE9A54E
128.11.0
ArchitectureScopeDownloadSHA256
x86Download18D9A4941A1FCEDEB3CC84593F50C7893BE0CB14FE8C9FBD6E759257C5A5467F
x64DownloadCE4D367DE0B160D3E7BBADDCE03F2BA7C039285171448123769CFA827D862EAF
128.10.2
ArchitectureScopeDownloadSHA256
x86Download1F621134482276660014773454B89669500B90D96771EC0E9117FA84D3BD1F62
x64Download56E5A9479C27B63AE153BBF5D3DAA3482DDD498D7983330860985415DDE477E7
128.10.1
ArchitectureScopeDownloadSHA256
x86Download5BAAC5A0CB22832E5CE4DE517F566A02EFEA48B68835FC35B4EF5AD35B3DB6E3
x64DownloadF75FB0C59AAB30FA4F8D0518740EF9C1D0E6CE92F556D0E15BB489EF8F265EE2
128.10.0
ArchitectureScopeDownloadSHA256
x86DownloadFC5FDD5F24E1214DB6914EBF2E81A6FD5DF7B8AAA009C8964988B7D776C2487D
x64Download615BE2CCA35E5713A6AABC85B58610EEE5D5B761A243AA2203DA097EB9C8199D
128.9.2
ArchitectureScopeDownloadSHA256
x86Download119EE108D1025AB1BC3B10228BCA63C816C3C308E3D6165AB9FD02B7E70C3F3F
x64DownloadAFD911CE4697EE47AA786CF0AF245462797D177E17E1351A73BC3EECC0AFCA11
128.9.1
ArchitectureScopeDownloadSHA256
x86Download93A06EF77D23EE331404CD44AAD4EE92C802337824B3C396EEAAFBB53D609AD4
x64Download81EBF2BBA497E4CB9A8C6FAAAC5E3D50968BA84606A5F3AEA78386BC07D9854A
128.9.0
ArchitectureScopeDownloadSHA256
x86Download123E9A1809A962EAFC9DE1351F8440F16C8F811343F7351614B3A9EAE68B14BC
x64Download3448331D64DC2FF82E2F9FAB3204BDF2A9B2956BF65C5AF13BBDBBDCF1A8B02F
128.8.0
ArchitectureScopeDownloadSHA256
x86Download4B29ECDAFC7ABA6F43C943A09BE841E55A003BE1FFD557EE6B72279AC53530E4
x64DownloadE105F802D945A4E5E1680D7B8C26DD45E79EE9BA519A72E788A71A3C9A750843
128.7.1
ArchitectureScopeDownloadSHA256
x86Download471F97BB7E6B046569EFCA5F86A91336E9D81F9DEDCC6FB265E818E66A1DBAB0
x64Download7A9F73F3C1D076799785B0B9A33F49FE5040AB9975CC5FD42E069984A15B99CC
128.7.0
ArchitectureScopeDownloadSHA256
x86DownloadC0289A8D5FCEFACE9BFFFFA55D02172CA33FFCE396B5BA7F7DEAC98961E089DF
x64Download91D4D68673F4EBEEC0B173D1AD493C46BD0B17A50BE9A8B966651B6F352CBBBC
128.6.0
ArchitectureScopeDownloadSHA256
x86DownloadF5A771C4E69647922CF3924DA2FD936D3D0464BAAFE1F176D3FEE1DD86B1624D
x64DownloadAC5F8138FD5A0FF77FC71A9C6EEAB334911A17A0A936F73D6430D7BA200A4D22
128.5.2
ArchitectureScopeDownloadSHA256
x86DownloadDE9F3AC9336B81206EA731E7398C6A81E25D0BDC5263179A45E2A0EE84D7E5D5
x64Download3F377A38164E8D31CAB50F70B7D0F87DC7E4FEA0896AF2140F0E8146CB918BC1
128.5.1
ArchitectureScopeDownloadSHA256
x86Download0E0764592868615121AA236B4624A21334F0FE6750A9BE579ABDF79195ECE168
x64Download70E0E648762448998FAD8999301CC1C85F2D5FD21B5EBA26081A38DEEFF5503C
128.5.0
ArchitectureScopeDownloadSHA256
x86Download37556F993980E8B882CFF7A7BDB8147A231663EA70BD967D8371A2E811563E75
x64Download1F09F5EDD81A9B1DC76358B5E655E4003EE0FB34A90815B71F358DCBA9A7106B
128.4.4
ArchitectureScopeDownloadSHA256
x86Download98D9B299DCC93028972CCB357E89DC70C23C76B91BA1E1F7B58F6F34D814F839
x64Download3311578A1EEDB60166272B81D33800EC3515358E405EEE8FBDC4FC713BCBD42C
128.4.3
ArchitectureScopeDownloadSHA256
x86Download68ED5659344DB12992B4333CE119B9E4EC7815C5E68EF52CA460364B8A6FC02F
x64DownloadCE82A9E410C6CAA52A0DE77A9299541C2F9E9A8FD73ED7E4C9376CFE823DC3B6
128.4.2
ArchitectureScopeDownloadSHA256
x86DownloadA833336FE13A0E77221B097E83316E566AAB30260E94A048E458B05EFC20C33A
x64DownloadA81E86EB837449CDC351C64830F574FC48F4A4FA3571451274F6EFAD9092436D
128.4.1
ArchitectureScopeDownloadSHA256
x86Download9571DD63B1BB2BCA5EC0E28A8DD53FC2499201FFEEB77335ADD33F7836FF410D
x64Download4FA91CAD29B897823ABC8AEF6FC308AC729B72B8CA77571CD3ABF5C6E0F2C541
128.4.0
ArchitectureScopeDownloadSHA256
x86Download8B770D5A0407EF4A8663B5C69C59F82C13E11D87885EB4BDFDFB60FE2C7C63A5
x64DownloadAC250067AD8827CF1EB7F3174070C99DD25DF4691A2DA9EA3EB8EE29A2DCAC15
128.3.3
ArchitectureScopeDownloadSHA256
x86DownloadAC42A6DA54EA63C8AF3C2BD6CE28A2931D15C61C68616B0D84ECA45D5B275695
x64Download6851431D9F62839E01EF6AC569A0FF658F351A904D93BC55EBE6B262A72C2B58
128.3.2
ArchitectureScopeDownloadSHA256
x86DownloadFD78DFC00811A930D7C87DFDB1EAD3DACB9F6890429627F44C0B4D6AD02A0044
x64DownloadB4F059A3AE7312E427E3A785D53C5E68785ED09AA979B6423C31BD3A0107DAA4
128.3.1
ArchitectureScopeDownloadSHA256
x86DownloadBF71E4780C91AE42FC45E93B170525CA591A81A0D14497517B17ED6142EEF532
x64Download49BFD8688BC118ED84A45F285D89FDC5483D81DD0EC75AFB61BA323D4F463B09
128.3.0
ArchitectureScopeDownloadSHA256
x86DownloadEF6A119CB46CE1A6C49B7A7B8D232D52D1F86D8C9C16B781B7F8CD012645DBC8
x64Download97CE87A26C17A5E32EFF9C2F0E6B6B995F51F59B275780EC7BA75A44E6E1F6B4
128.2.3
ArchitectureScopeDownloadSHA256
x86DownloadA8A06BB285ED3BC31A7D283054CAFB95339426629BE559EEAD2C284BB8D234CC
x64DownloadC078DD3987115FACFC8EA261A2B80140C6CC799253DA5807CEA207E89BD81C28
128.2.2
ArchitectureScopeDownloadSHA256
x86Download6C08A3726E2932BE9EBEF64D7AE979F769CCA2E831BD6E43099C4583EAB696C7
x64Download369E315313C6E86B2184C629A67618EC84B33E8BAE8CE669BE6B9123A509565C
128.2.1
ArchitectureScopeDownloadSHA256
x86Download811FBB330FCAE09C8910C23EB88AF2F7F53206441F1FBE42D9898D76F9CBAF3F
x64Download3D96C1A2FCB12B09470B2500D0C1198297497736551CA2ED0E0EF63D6A150208
128.2.0
ArchitectureScopeDownloadSHA256
x86DownloadCDFACBCACDBD71E64C50B0E9A57932AC1FE7B85FE7F063E139D07CBACC5FD438
x64Download1ED5AEF4267D27EF9A2648ACC1F0865ADFC2068D4C87EAE09CEF9C85216358AD
128.1.1
ArchitectureScopeDownloadSHA256
x86DownloadBA596BD7B8C2B10510C9FE12DB126D8798ACACB0EDBC9124AEE82A58C269D892
x64DownloadAC4B4D824ADD109233672B8CFB8F89252AF34F5EC3ED7B7E61E574890DBC9110
128.1.0
ArchitectureScopeDownloadSHA256
x86Download5CB7D52D236E2481D4AD869702E7E3A9413F6C7B4097A5B2CA470AAC46152410
x64Download719D7208291E9746D122A57F42A0F5D99320A70E8AA6C6E49240FACD935C83C1