Mozilla Thunderbird ESR (cak)

Mozilla·Mozilla.Thunderbird.ESR.cak

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.cak --exact --source winget

Latest 140.12.1·June 30, 2026

Release Notes

What’s Fixed fixed Security fixes

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86DownloadEAE39688AF2BDD89834884593AF83AD38EF15DB3F7A5D5F14AB2773DC1534F36
x64DownloadA110205A2787C812CFD38D052642C3E33142CA7F6FD1160D54972D6ACD19055D

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 (47)

140.12.0
ArchitectureScopeDownloadSHA256
x86Download9C34A9FFE4495F3B46C40C526E6493F8515F3D4DEB4216025961B1A8D7EE7DBC
x64Download9078141A4DBED8D3CE20A8901442FD57DAA8F14CE8054AC61B76DCCC0654B94C
140.11.1
ArchitectureScopeDownloadSHA256
x86Download2F93D1DA4CB508807E2F165F4D375F66C001919B99F4C40B603E636D07A785AD
x64DownloadF610CCDB21EA33D443BE26F700AA7E4AC3E5367EC60E1704AEDAF81FDE2B60D0
140.11.0
ArchitectureScopeDownloadSHA256
x86Download1EC4C5AB1319C7CA68FCD9854F346D004B5117E47E9DA46FCCD9CB39AE8E2C54
x64DownloadA9D1F4AE9CD3AC6833D71C63EDB693C42288C4FF5E03EDBF4ADFB9220E3AECBB
140.10.2
ArchitectureScopeDownloadSHA256
x86Download37A6DEDA6D4334C327DDCBE3B046D3CEBBB0FBD6C15E9C1A0EDB2ED04FE5B7F8
x64Download9A5472B76EC46B499BF74A7F13C6C36AC64477A5893B2E450034E88788999D2B
140.10.1
ArchitectureScopeDownloadSHA256
x86Download4656774FA649A098B4FAFA42B526DFE0F744F449AC8AF5EB466066098F01083B
x64Download183C9CFCB941CF000295D37D56881CF9C4B4A79215768302CE2A54D280B716C3
140.10.0
ArchitectureScopeDownloadSHA256
x86Download9A1B5B04998B7A0CC27E5BE535CF0DAF24108D44BC356C5E17519AA5ED37F528
x64Download020BC7B2C0B2C32871E0D802C5B9364F3A7595CA0BFC1E3B9987AA776C57A46D
140.9.1
ArchitectureScopeDownloadSHA256
x86Download12C9C806A771EB0BB6E39660EBAF511B2AD1F23572B00BEE198EEF40149EE094
x64DownloadB09DF933EC5EEA2452C9496AFAF1993551D9B9745BAB568933C63A4447FF2B15
140.9.0
ArchitectureScopeDownloadSHA256
x86Download2A3FF33BEFA7A73F188AF018E3CAE5CAF74EB04F453E0239A19C7D9090A2EE54
x64Download49B9E0E73292A1E2A55B88F3B5B0D0F37AC4750C2BC274A5C4EE65971A1B9EB0
140.8.1
ArchitectureScopeDownloadSHA256
x86Download9C79F1E977B43F8F49D27D4F8DBF488906718D8C5F5D9D24CCA38B93FECBDB15
x64Download3F60A434856475CEA73032AFFD789900DC339178F605B2E6901616C214F696ED
140.8.0
ArchitectureScopeDownloadSHA256
x86DownloadA7C3F457406EF0DC970DF66BEE7497DC13E2A72FA05A055E1E2BE6AF651ED222
x64Download6D3AB578B3BDE630DD68E037D8334D962F632901154D0218E268E72503D0648A
140.7.2
ArchitectureScopeDownloadSHA256
x86DownloadAA4155B1864820762ED4EA92A1844FF13EE23A72D42FC8042A1EB8471D1A727B
x64Download5520031F502E18E35C31C988198B1D19AA1905276D7F026E21A2E99B8C73F4FA
140.7.1
ArchitectureScopeDownloadSHA256
x86Download614C920322AFCE4117F4A689D6511A88FD17D84AFB0FCA36FDD3E9C3C8FF6607
x64Download668E43BA03F83A59F9A113893077AB50A5205106BCEBD06E9CEFA43FAABEA690
140.7.0
ArchitectureScopeDownloadSHA256
x86DownloadBF151A4377E6078B316288791689A0D67D4CA4361B701AC4F43252D27B054FB3
x64Download3B31856430E17D1538393AF35EB845AC6A29F5175B9D6B1997CE090C9495D549
140.6.0
ArchitectureScopeDownloadSHA256
x86Download989E0A34178D33E2D45EEED2835178D159A52B7B232FEA52A04E4D41EFD00371
x64Download5767BC48D8A2808E2BF5C8B68F8EB8ADFDDDAFAB4AC66DFC1D7B09812BC39FE1
140.5.0
ArchitectureScopeDownloadSHA256
x86Download8E65FA2B72080BBA417F1D37D9C57E09DB36FF745A09948EFFE7213C8BA77C59
x64Download7A1540C96A19478016687776B26DC50C98B768CEF702A377AE4BE0B63D03E362
140.4.0
ArchitectureScopeDownloadSHA256
x86Download81EA65709DEF983C92EA21B9CD654EC9C55F1C9DDAA750703B952765F1188991
x64Download6DBAFD9DFFA26B9FF6CB1424B948350188DA708A479544C9ECDFF53FE3F31D98
140.3.1
ArchitectureScopeDownloadSHA256
x86DownloadF501EE5DA1906EFB5537A6BAFA552B9A6FFD92F7071EA9F27957E870788F919F
x64DownloadAB982D489C0F548D75700486F71AD040DD2CA25A59C94485CDC59BB5A037E7D5
140.3.0
ArchitectureScopeDownloadSHA256
x86Download943FC01E186BFDF73E9B8913950BFC73C8E19E01E49B7C819AB40D72E3B13871
x64DownloadC132FAA9EE051DA757E74954B3A2CB4FCCB409F3669D83B41A45F7D45F592676
140.2.1
ArchitectureScopeDownloadSHA256
x86Download1FDD1C540ECF7F79190AAA9A1AE66C92CC91D8751194801794519351E47B495B
x64Download3D615722632D302743A37175452C219906D427185FEE01AC2282C5ADE2D0D22C
140.2.0
ArchitectureScopeDownloadSHA256
x86DownloadE3C1645D0272973A69B43B5799D391C27CFCB1AED2E0EA68DA8E80AA976361D4
x64DownloadF5FFB31A2FA4A57C912A85DDC3571EB8FCB4E0A35535881AE374FA68C6AB674D
140.1.1
ArchitectureScopeDownloadSHA256
x86DownloadCF5127E6E10D22D7EBF428E99E548DABA61E8473925B5EC855657382E65B6421
x64Download7862E6531EE6C0C4DE4795FDD3C325447D8641867068CCA853CE944CC1A12B84
128.14.0
ArchitectureScopeDownloadSHA256
x86Download2DDEC338E07C5871F6BB547E2799781A4A3B9B4FD3FE164A0E828C2D16A97471
x64DownloadD34DA3B2A9D268819EC9EAC0BBD2105BE774ADA8ABDBFA26C2C6C914424006AE
128.13.0
ArchitectureScopeDownloadSHA256
x86Download6DAD6EAAFA43146532224CD2E4085F4526D061B4D6A9CB1AA39ED0D5949DE548
x64DownloadDD85D69FD25D5009B102B612752A3F0C987151CE0038DCAA42685DFE4D2AF0AD
128.12.0
ArchitectureScopeDownloadSHA256
x86DownloadDD24FBFAE4C58B6415991F58FC22372C42C5FAB5DD12F15EE20E32D413131FB3
x64Download4F34DCB0B8797B3E34906A0651067F4AEEB87F0E401B8E02ECECA11351F08B53
128.11.1
ArchitectureScopeDownloadSHA256
x86Download3C615080613157F784C7EAD87F70BA5F7BACB19A4AD26067B546FC963110A74A
x64Download82B6695E8502D25A8260A6027ACFB2C44D1FB0525EF1083BCCB4DF06EEADB3D7
128.11.0
ArchitectureScopeDownloadSHA256
x86Download4B6E496B6487424C9FE841D80A874118FCEA988BAD7F24A2850B3A482E72D5D5
x64Download586E5C846B0715912CA73B4267FB56B147D7A783950B6517EF8D25302C891AA0
128.10.2
ArchitectureScopeDownloadSHA256
x86DownloadB8F8A993CD4FB40EF003C86D3292A1E7D18460EFEF7A8F5BC0EBA69A8C55D956
x64Download1F69CFC92157507EC38DD49D28C09C668FBE741DCDCBA6CA418F130BE8299AC7
128.10.1
ArchitectureScopeDownloadSHA256
x86DownloadE265CD00F5507642B20F4570E8B5E794DF8DB41A9E2AE98283BC227C3FC6B6A6
x64DownloadA2F670E0614B1F86FE04A549ACE12ED7958593F24363D68775351948C9252FC5
128.10.0
ArchitectureScopeDownloadSHA256
x86Download1EE05868EE1B4B4F9C996F409AC6042567B92473FB96BB1C77FE2F1F6CF07555
x64Download312D71CF2C899E051ABB57C7BA9E36AFC836C20000E0B38A1622C76D3F6E6B84
128.9.2
ArchitectureScopeDownloadSHA256
x86DownloadB6733BCA5D9385284D4D9EDFBA87B7B79F8D7C37D66707F0AF2847C1D0D5DFC4
x64Download2523CDA8CAFA7D7D64BAA43831E1DA902E378E3B304837A49890FDA59ED13EE6
128.9.1
ArchitectureScopeDownloadSHA256
x86Download2B259819F13DC24105FB6001ADB4B05B8368AB4939DFAA2FA9E82A7843B8B949
x64Download8DB85C952197CB8AA5B157E4547D64AC0780700B13335209E9BAB48F6F36F7F4
128.9.0
ArchitectureScopeDownloadSHA256
x86Download8B00AE91002D7DEADD380B4990358E09FFF897F6DA145626ED2C3943CE5C9B2A
x64DownloadBB6258FAEBB8271627891279FA882F7B37E20C38AD78F6092D6ADECC658383A2
128.8.0
ArchitectureScopeDownloadSHA256
x86Download918AFB6B23D5F5B70E38F7970393081359343396DB5EA525D16A7021AAAF0216
x64Download9AA0F57150E19422AB63E3152F7101416EEAC21117AED5ACF3EF4B61647191E8
128.7.1
ArchitectureScopeDownloadSHA256
x86Download1D4A74A4025C3C59DDA985FA9EB8955F90C10637322266CB5DF61D4BA2A2C5C9
x64DownloadA66D4B9BEC9E548C9B3188C706121AEB4304F95C21734CB5D7475C5DB456AD32
128.7.0
ArchitectureScopeDownloadSHA256
x86Download6B031683A2CF67D9BC309EC81165B62E14DF831E7DC60CBC6A77E03257BE09B9
x64DownloadC75C563E9D3EC4E71FB90500F73E91EA9197FF6F8D1358E2B82E732973AFEFAE
128.6.0
ArchitectureScopeDownloadSHA256
x86Download157BEDA39A89032E005AD524D4CA324D9A614854A0273643EFC962CC5F0A4C0A
x64Download418D77D2358350F331BB94DC5B6839C5FF0190550462FEE60A6AE24C78957073
128.5.2
ArchitectureScopeDownloadSHA256
x86DownloadA7759A2767D1B552AD55CA13150AD651EFE4C535FC2186C8E78D3FB34A0F4AF8
x64DownloadC11F60BE547E5B2A8866EAAD32DD858C5324317A91B38CCF58760747F5024A35
128.5.1
ArchitectureScopeDownloadSHA256
x86DownloadAC8089CC5346D49FA644A8D006FF5508479D9167BAC6ACDF06E6CF7AF49F001C
x64Download9F4A85494F26852F9423C5494E4C58BAF380E893A73177BCB8470E32A7BA2190
128.5.0
ArchitectureScopeDownloadSHA256
x86Download56967C69FBE8B003D642D311A5E3326FC15BBCAFF56A55DECFD22254E245FA59
x64Download2C3D2DDBC12140E4900C8D4B62060C7EF4F2785607F514D505B03CE5DD0202A5
128.4.4
ArchitectureScopeDownloadSHA256
x86Download9E1433DC277F37F24858E8361A52293AF12637D383EC5F13EA6F00518DDE8081
x64Download16ED578DD88E88E4BC5B4D278755C1E2BC53F585E6081CE28E0AFD0F81FD917B
128.4.3
ArchitectureScopeDownloadSHA256
x86DownloadB68F884DAA3A06DF66604A0B1936DE44EEC076AF8B13432D812B41AEBD2E8347
x64Download4778DAD26EA02A1BE98ADAC11EDE15B08C869B6441863DEB427A780595D00E40
128.4.2
ArchitectureScopeDownloadSHA256
x86DownloadCC130B8C55D6DAD885446D77D7AD9BBBEB15BDC7477C61E139EAA89097776785
x64DownloadD079083A74CC48FF3C26BC3122911F69E07962F74406C04A3505E987F469145F
128.4.1
ArchitectureScopeDownloadSHA256
x86DownloadA5CE7E09F1BAEF246B3058F4A65E2167430CE99C95D92C287B4E9E7E6AF33AB4
x64DownloadEED13A47C00EBE4C63B92A816713681301D0DC193D5C920732EB5184FE8379DF
128.4.0
ArchitectureScopeDownloadSHA256
x86Download922C800BF637FFAB7CE6BD4ACD36696831FD078B053CC084F80D2C9B920BBEDD
x64DownloadD36AE0F45FCCB18946EEEF5E5B3DD38B65DC6A902DB07FC3C22EEDF1A96FC392
128.3.3
ArchitectureScopeDownloadSHA256
x86DownloadC57546503DC68763F50BD6D98D0EFF71517C54AE9AE538C31E7BB2C18B6C2635
x64Download83A8A3737651949DB96AA26AF897E3DDBBA891918BC9104812291A46D9B36A8C
128.3.2
ArchitectureScopeDownloadSHA256
x86DownloadE3B2D435C881FF7361AF024372366CB192487F189215A4EEA0B3835E96B7395F
x64Download859DB2583448421E2B76D207A0447B91D8B7B0C69BAB00C007E53BF37AF7A057
128.3.1
ArchitectureScopeDownloadSHA256
x86DownloadAEFE0CAAE40148F47B33A4D95DD174B3E6A65A4624C9A812F54F52EEC474DB44
x64DownloadF6BBBEC8E16F1ED57D4317699B086F107AB29677D1969FC932979FEA0DFBD845