Mozilla Thunderbird ESR (ca)

Mozilla·Mozilla.Thunderbird.ESR.ca

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.ca --exact --source winget

Latest 140.12.1·June 30, 2026

Release Notes

What’s Fixed fixed Security fixes

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86Download5E6D354125D3940B39A05EF16E3222455CE7AF5D851EB59DE44598BFD7F2FC3B
x64DownloadCEE19A9D9BE7EB7D7962A0658115A41831DF25A99AFA9CFC7F4B902B004055E2

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
x86DownloadA40FD8E81482A50821B75F1E71914F755320427BB419E5F667FC81167552C010
x64Download216B2EFE5544B8D25DE557BD70A216CA4F3B6FE3AF69E662D56670E5DA20BBAA
140.11.1
ArchitectureScopeDownloadSHA256
x86Download3C1A26366A5525B9DB965934B8366A4B87933262497516FEC9377FA6EA3EC622
x64DownloadA7780DC1BBE1935F67A19A65B8E59DC8FA0953926EA792563D59113A44EE0E80
140.11.0
ArchitectureScopeDownloadSHA256
x86Download8A1B3CA3F27B90B7CD16688916187F157E271AA4BB5FB9A5472213F9DEDF1564
x64Download4FB8E931CAC2803F03EB880BC2D06527A04D049746192EB9DE585D98E71D20DF
140.10.2
ArchitectureScopeDownloadSHA256
x86Download0241FA6E17C34F95446B3645311AC0F610CE7A937830550FCC7232C9514F78A9
x64Download6A32FD1270B1CBC303138C97C6584BF43B13D3C3881AABF479A2D472791F4A62
140.10.1
ArchitectureScopeDownloadSHA256
x86Download6CE0263331C9F915FDEB3D58EC98A6084FC617AFC154729FEE13B25DE6B5AFF5
x64DownloadEBC5F1EA692171ECD5D9EC33CB56BAA9698AE7D714A96F0F8BB1DAEAD8D46CC4
140.10.0
ArchitectureScopeDownloadSHA256
x86Download600D3AB7A6CA141606C805428DC5F2FFCB27F7C1685C90CDAAAD19F0891654F5
x64Download84B5B88884CD93F8D8BD503E904F67E5493AC7219AD4790E490A52B6760108A3
140.9.1
ArchitectureScopeDownloadSHA256
x86Download849EC557D0808163D6A2805CE51BBD7A4DD6510F191322068568AA0EF117FA0E
x64Download3E587FCBC965F714C1617D5205DFDD72E0125F78F1180EE44C0BFFC6BF98C42E
140.9.0
ArchitectureScopeDownloadSHA256
x86Download82DCD40DD77D34847B6B8B1E27E21DBC28260C04A74C03303EF8A931A0FA55C3
x64DownloadF0992BC809B2AF8275E51E8196642F413AA8C987BBF8CFD43F4BA9D80C708A73
140.8.1
ArchitectureScopeDownloadSHA256
x86Download3C248AB1C7AAF30F93047CA5F4B67E24E50D80CC027697CC9FDAFD8ACEFF95C5
x64Download05581F1AD28B765EB552889E7C8A45B4DF69E6FFDC25F0FBBB8AC9E1549D88A5
140.8.0
ArchitectureScopeDownloadSHA256
x86Download3C867A393F1440D155DC88A2A90D674CC0EAD7702EC5C0608661687F9743A858
x64Download01108A18B9A84EF2335004455B68C80B7F910FC0DBB131E55A7E8C61D57AB12E
140.7.2
ArchitectureScopeDownloadSHA256
x86Download7CCA90554DE8F29812C95368A7693CA20B2A26B8EAE10BBA68628DF164E78356
x64DownloadDD8F5E40081758BF0AD6F45956FE29E5CE236863B82D74C044318B96B6206B70
140.7.1
ArchitectureScopeDownloadSHA256
x86Download120B4B5F0A0590FF6C5C4D728343A18D963100979146447E43EC25A27E214F1C
x64DownloadA37D76BE9EF65CFAD132B3DF240D2E59C563850DA69CB337310A36FE8DB7FC27
140.7.0
ArchitectureScopeDownloadSHA256
x86Download849D92C5CE2242446F3BD0DC2506CE7545906FB6BAAAA2063D65F3AA7C64D534
x64Download75038C55EF3564777AF7BF6788618A98DE5B6A2AAE9681387462BADF03ADBE93
140.6.0
ArchitectureScopeDownloadSHA256
x86Download237FDD8047850B80021149F1A61D8DD3174F8AA12145C876207AFC8D9EFFE952
x64Download1D0BA106D5B89616DFB0D3EE9F5A7F6B277311A81D8CD6E01C5BA19966743721
140.5.0
ArchitectureScopeDownloadSHA256
x86Download278583F61F13F8EB7A987C54D6B71488FBCD93898FCCAD804C05D0D340822C83
x64Download213A9762C3B1A1133E0780F745F401700E2E5F617DC3F2C23F36AA91970A737E
140.4.0
ArchitectureScopeDownloadSHA256
x86Download912EC0F30B3AA47CFF5C04515C50E3E443B5224DD4A92604C21F4276FF0A7C9A
x64DownloadD80D7F11D5D69E7EE3E4E6C5AF72D8DC520B9A4B3610CFDB30FA63F645A7F2DF
140.3.1
ArchitectureScopeDownloadSHA256
x86Download2E7E45EAC71D7BCD080CEE6787B735134CFCBD176EDEE25E5CADF0152BA29EDC
x64Download822CFD6303189B076E8D801F249CBAEEE75FFCFEA31415A3E53FDD36066C5029
140.3.0
ArchitectureScopeDownloadSHA256
x86Download0D4B69655CBF12B7B54EF46C13D348A9D43DEF1BFD2C2404624CBABD3D120FEB
x64DownloadC207E29D43F4BFD4CB277F7BDF8A31235FE252AE7836B27558268B17036A1446
140.2.1
ArchitectureScopeDownloadSHA256
x86Download4002B57DD3499F1755C8A50BD38AAF5F2F114CF69D5B3FEBCA8CF0D78B084598
x64Download73DEC6C563BC6669A951E09143EEF3AF333A14B1D24B8767A906ABC6BCD035E3
140.2.0
ArchitectureScopeDownloadSHA256
x86DownloadCF22ECE974C639CAAE48EC050A5D0F3098BAE54CADE99BB3597F6DEE42AA74D6
x64DownloadC898FC303F2DD0CE643E938074F3D602864412A4FA0D7F0FE5D38B31A86FCA58
140.1.1
ArchitectureScopeDownloadSHA256
x86DownloadBFFC2D86C312BB0874EEFF7306DC3C51006BBC8A1E78E9FAEBE51231BE62A281
x64Download243677CC9C6D34CBF2F43EA9F6D92B852C496C73BEB9A4B8E87750C75E96A035
128.14.0
ArchitectureScopeDownloadSHA256
x86Download08FF36C5415ED3FB249BD53E2BB8DBCD595E2D1A7E9F2B29C9AF4F82CA6C2DA7
x64Download3BF4F896CBF513CFF221EE4151F82169091A898E6EA2E7C92B08C2310EFDD15D
128.13.0
ArchitectureScopeDownloadSHA256
x86DownloadAF50AC80CD021557B3550D994F90BE6B12506BEB13B7280022C96511C3ECDB24
x64DownloadA127061709F1DCEC07DCAC50771CD78D24DE9A735F516E668468920C408C54B4
128.12.0
ArchitectureScopeDownloadSHA256
x86DownloadAC107FACA0F5E8B59A552FB69052C93EB9D651C5447F0B354BE498B7EA110EA2
x64Download1DC2A2C37DE3AF5A62D6679090412750B44AB86E4446766F4F026BEEE61AA0BB
128.11.1
ArchitectureScopeDownloadSHA256
x86DownloadB8A1C7AC3846A121D7C5C128C83A2A59373C453E80CE43DBA7A3E813C3BA3D67
x64Download084B75A04FD1BC42120FFF0229C80259511BC9D979F384C54866A9A095669529
128.11.0
ArchitectureScopeDownloadSHA256
x86Download9B0B3058C869DEB1EC557EAC2DC5ACCCA254D6AC1123D1B427A50C4061408DF4
x64DownloadA70D03FAE8068A6BD971D169342822DA0A5159B9E70B9363805622430840DC5D
128.10.2
ArchitectureScopeDownloadSHA256
x86Download8C542CF688534281CBEE5719483798B580952A127D06D612C1E22F9D5AA7891A
x64Download3965F769503BBBF89B0806FFF1799257DD5452984997E060711299D609F8CFD0
128.10.1
ArchitectureScopeDownloadSHA256
x86Download13E4A63C3E52ADF6A448174A2518A801970D22F56937C8D8E837BF40F24A9A7C
x64Download0676BC8A7830503708FEE59898342CBE1AF6549E97E3F94C6B613130B88CBE6A
128.10.0
ArchitectureScopeDownloadSHA256
x86Download4A34CD529489B94EB7DE3B869FE3F93C9E32E00933D2B6A4459940C66C1F8443
x64Download58E63706C33166FCC3D18422C7B5B55FDF61FBBA1F6909BF06990628F7206A8D
128.9.2
ArchitectureScopeDownloadSHA256
x86Download007F6C1843AF69870B788CD0564CD6AF918D303E1E3CDEE37266AE55521D322D
x64Download5925B9ABF28A1BC914C5F7FA819775B237E76C59846BD7E1958388EC713F5471
128.9.1
ArchitectureScopeDownloadSHA256
x86Download07CBE8A5239B1A15EA4E126AA5079101A37FB5B3760417135B3A3517AD001DC0
x64Download77288B14359AFDD02609B2A63C522B3361A4C299928D275977B51311FC3BFD1C
128.9.0
ArchitectureScopeDownloadSHA256
x86Download9BDACEF52669B800324AD5534C7297F2454BC5F6BAD98BDEBF669D1904E34BB7
x64DownloadA01F911E880FB75FE038289B107AB168FC227B0F738FA6AD57014C581F5E25FD
128.8.0
ArchitectureScopeDownloadSHA256
x86Download936E95E6C4C09D89F183EC10F199CD5ACDF8CC118ACD51E2229B01327F3F7C32
x64Download65E9FE3D630E7478A5586F7175DDDA265F2F280B345486C74215F4548446995B
128.7.1
ArchitectureScopeDownloadSHA256
x86Download03BFA611E0A65FBE0D400E8B2E6B3E7DDD8AF4E97D7E48A1652FCE7ACD7FF2B6
x64Download5FFB414F3AE848DE46D3134CE0157F277488FF517B7408E80E44F6E3156A5C57
128.7.0
ArchitectureScopeDownloadSHA256
x86DownloadCE52AD45D2C1DECAE9A730199CFDB1DC5998C77D01EBD380C273C620B95C99E0
x64Download7D82E0A51DE9E78AB550C4E8936F4A9C1063DC3F8FDF41C36085722566BEA00E
128.6.0
ArchitectureScopeDownloadSHA256
x86DownloadE587F6FB45E02E3370600D0E62E304A5D832C4A2D55179B48309DF5694A58FA5
x64Download7CDDB05564CAD077044F80765EB735EA7A263E65A52D8E53F7BB0DCF4B44EE66
128.5.2
ArchitectureScopeDownloadSHA256
x86Download451DDCFFD5C5AC77771AABD634D235EB36F6D5FC5ED35950AFCAD30859D3A6F2
x64Download38E9858A332B5F595C229AE068277497733721CCE9E477447408FFCD9D67E0AC
128.5.1
ArchitectureScopeDownloadSHA256
x86DownloadC1C6F9D2A965009E0278BE56E59529C448599034C162EA04387E44C7942EF389
x64Download978F22BF5190B1201CE23B90CBB9DD7EB1C974DABF166AF9494FDFFD7DCD6CC1
128.5.0
ArchitectureScopeDownloadSHA256
x86DownloadD4999BE11CA41B67BAE5D5F3785A52E15504D44663D687F6A2AD838360B74786
x64DownloadBCBA3D77DDB0052FD3FDF581E908EC7568BE9F9BCEE172A35929F902A6C319E1
128.4.4
ArchitectureScopeDownloadSHA256
x86Download6D94244A46E66D2C399ABAE576DF7A29D882A403008C8814FBC58090F5FA2433
x64DownloadF1CF70EE99ECF76A4D07FC8E4F6EF1DB05BCB9F942EE08BB466B9AC018C3DB6F
128.4.3
ArchitectureScopeDownloadSHA256
x86DownloadE33B6624B55C89800FE7111D47440716DD9FFB64304FAAAF9D86B5F5C9488E92
x64Download8A8EB1F7D0B7A0451A3E5BAAB7DAD378F756DA93FB6AC2748D904371634E1BB9
128.4.2
ArchitectureScopeDownloadSHA256
x86Download45EC718AA3759B554DECDA5D63CA24F0B9D166483D6ACB2F1E2ACC0DEC4CC9FB
x64DownloadC9A232BCB27ACF32AB55501CB2E842474FD267A26581491D26F804D7D77AB444
128.4.1
ArchitectureScopeDownloadSHA256
x86DownloadC602C228E39119E8505559BB38A59945FD781ED1EE2F5EFBEE648D099B74D6FF
x64DownloadCD06B49F51BD8F79A2436CF20ABCF1CEFA5A1D7054005485FC22F92FC32A7B89
128.4.0
ArchitectureScopeDownloadSHA256
x86Download8EF4AD32337D36A64F899565D332B3133F50A0D028D3F803A16F9731C2D6D89A
x64DownloadD1419BEBADA378678F1FA45FDAAA92B9FA9FAFB8FA2E1E3F5EC89A36063F9B4E
128.3.3
ArchitectureScopeDownloadSHA256
x86Download0D91B88EA233C945DBE7C34086522A1C751D0CA0D2807A85A020C4DC0832DDCB
x64DownloadAC8789A4D97976601FC59696B2E27469178A12BC169BD4E61F1F3C2AE333501D
128.3.2
ArchitectureScopeDownloadSHA256
x86DownloadAA5C271EF2E48AAE5055CE0A7DBB9E48C335564E9B37A0105E1B20B85AB8470A
x64Download87F45C2FA17249CA633B3AC1FAA34479416AE42E34B9149538160CD992C0DC65
128.3.1
ArchitectureScopeDownloadSHA256
x86DownloadDCE23D1900F94191AE6EB6C50215C461F86F2F11AE611B15FA7E82678B5C935E
x64Download963C29CD8AC7044A6DCF818C839D6A1D9B96E9DA1557F7B8D1875B15BD881042
128.3.0
ArchitectureScopeDownloadSHA256
x86Download0A158A8A5682CB167AC0C259BAC835959513378C0393F8DDF5E621D1E0DEB30F
x64Download40189790E4114E751B4DE46C7343C31CFAA6CECB8D4A986D86D17E7F7057ADDF
128.2.3
ArchitectureScopeDownloadSHA256
x86Download6B78AE8F0C132C7AF833CFD9E2E9D7D31082930DD9881B445C9CFAB2E091AD2F
x64Download844AA1653A276656DCF0F319EF8B18012A1E427F12A2A9F77DF708A1F4A5DF0B
128.2.2
ArchitectureScopeDownloadSHA256
x86Download616F4F5CD493716D45EEF05F28ACD6D8D0659C8770DFCBC493F9B637D44A9774
x64DownloadBE423C70E411E296D91FAB884A9261962F16441829C233F78121AC383F080E8C
128.2.1
ArchitectureScopeDownloadSHA256
x86Download098FCDB18895455C6C9BF2839D703CDFD7A1428411B550255EFCD557C89176C2
x64DownloadBE61FC3130704797B535AFF81C00C5A913D092A61DE69E8B36868F071D2840C4
128.2.0
ArchitectureScopeDownloadSHA256
x86Download7EDD137C5EECBC78E614928952E771A304CCC1C58B6AE05F3DEC91EF91B468FD
x64DownloadD9CD1B55CFF7D9BAE3713B48F4007012EC057BB91E10755D1F55E1B5F2886591
128.1.1
ArchitectureScopeDownloadSHA256
x86Download4A6C33023CB117F8A66C5B4EE124CEAFD9451C58E04C6745E8038355371B4778
x64Download2703CE541B1B3EE3AE8BC9233ADCC23FCC4B6F3B50366C153B5207961755B7E0
128.1.0
ArchitectureScopeDownloadSHA256
x86Download749FD1B7B924642946E5DFA4700924E081D49426961399881C2170D31C9EBFF9
x64Download875204EBD90F77B6569C0B3C7B59E941EC619257A4261C622500A6175663A89A