Mozilla Thunderbird ESR (sl)

Mozilla·Mozilla.Thunderbird.ESR.sl

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.sl --exact --source winget

Latest 140.12.1·June 30, 2026

Release Notes

What’s Fixed fixed Security fixes

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86Download3CF9E891EE958F5FB112ABE11E0DAFA7FAC3F06701265E4E2E1D28BD82C2CD33
x64DownloadB2F04DD50547E036A46225B5DC3D5F9735F65918B0CBF08C0659ACE96582BD3D

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
x86Download59B404960AD0514F46C39C39791938D8EA02F46B9370A57166BAE5740A7D6572
x64Download16DC0053AE88AD27E4302365DB1A8368CE70C46B44CD30908C09E04BE2B60E60
140.11.1
ArchitectureScopeDownloadSHA256
x86Download85F4356CC090400A3D8B2F6FA3F87070EAF2478BDA6F899414B6AFC7A3987370
x64DownloadA97560F6743231DA108F1FD0ECB89138718EAB634417CAE26C244EE59A31BD67
140.11.0
ArchitectureScopeDownloadSHA256
x86Download883BC55DC3B60613D136E1414D0FD50C6285540CA910A03105960B0A9C2E81DA
x64DownloadA57E95B2AA2CA1C136A722ACD3A354F78953F927B9AC9FD4E54CEA7BC370167C
140.10.2
ArchitectureScopeDownloadSHA256
x86Download298F6EF6CD341FA1E7827254AED7C9810A5118D5DD0B07ABAEC57E16032A8072
x64Download9546F174BF1D5F93A15025C3512968E8FC97742C9EC8F3C62B62ABA7403ACD2C
140.10.1
ArchitectureScopeDownloadSHA256
x86Download460B7D49E5C20D2C2E6F3DF1BE5D2E3061D38EE0DD45BAD0512AA76AE9ED047A
x64DownloadBD393DFADB4B87DEA606CE161AB67266F142206ABEE02C23B922343AAE6CF54B
140.10.0
ArchitectureScopeDownloadSHA256
x86Download670EA4FCA20AE82E2D5DAEFFBBD5A7175981F63E079F48F5F96C30CF9D2D2E9D
x64Download14F202571BE343BA80DF25F0F545F70F653C8E4608179F040C8D41B4AAEB3C05
140.9.1
ArchitectureScopeDownloadSHA256
x86Download7203914B00E65153868ED3B50C948AB5EDCFE8D67255B04EA771E7F54706174A
x64Download9600D637D69C0207E2D22C2D32C543FAFD54490443E3E7EF0E2108DD58792AEE
140.9.0
ArchitectureScopeDownloadSHA256
x86Download4AB63074FDFD469E75A2218E80BDEBE1F34E6DBC2226CE79DD8BA923162BFE31
x64Download620CED6CE3F82B829630913BA5AF00A6482E4FCFCFEAD55A0C99AAFBB89ABC8B
140.8.1
ArchitectureScopeDownloadSHA256
x86DownloadCF97AEF06692F9A39389A040FCB76F6493DCB9266A9361DC12742C32DFE94ABD
x64DownloadAEC7110BD41B929C65EE135F00BCB8DBF2615B9C9450C54DC366963CF9973F4D
140.8.0
ArchitectureScopeDownloadSHA256
x86Download02E15E4BDA6630CFF0EA2F7FECB532461DDF04F549B9862933282370EA3A4D75
x64Download877B1C18F16ADDF4D515F61388A2F4A656D4EC0D28E8387ABD7319A1E19C4FA8
140.7.2
ArchitectureScopeDownloadSHA256
x86DownloadED51C6508AAFBED5BDB73E7A715CB56EECF0246F6E2B404C937D7E49AD471816
x64Download3B4F9F32B149B163918299EBF5EE738B22DBDFDEAF8E9D4B642F78BA4668D2DD
140.7.1
ArchitectureScopeDownloadSHA256
x86Download35AFF2CEC76385C2BD2E8E823474620ACFDE544DEA9CF605CB867806E9901935
x64DownloadEF41A09932837872797089B37C561C89A62DD5A8490CAF43C9065817FF7B0B83
140.7.0
ArchitectureScopeDownloadSHA256
x86Download51BF1C931A65E264D31C9CD9FE1B053B0C18C20D5CD55609CB9DF84E111C8891
x64Download2C3FCB03FAC8E464BF26E23D982A2E27DE6642F7257A5EE033ECF947E1CAD0BE
140.6.0
ArchitectureScopeDownloadSHA256
x86Download1A8F5FA526F190D85D3A56B38DDF8820922FE9823E43FBB66200540C12BD2E3D
x64DownloadDA19F7B83338E114164D409F793F851FDF3FF5FCA39C24B8B5144EF4EBDA7157
140.5.0
ArchitectureScopeDownloadSHA256
x86DownloadC4551DF98FCAFE11CF3FAF0D33D1DD679F52354890B1CBF5E8A762B3599AD837
x64DownloadA9AA501B42DD91D7D8BDA175955F045628BDD31FDB597ACB6B0001BB4A1BBCC5
140.4.0
ArchitectureScopeDownloadSHA256
x86Download36C81994B7EF1135E16CF659558769793C5B92C1898A771C1AD8AF0F82B6446A
x64DownloadF4A1378682D5AEC8EBF48F0A5CE799B6D0738B74457F45A011D2CF699B228806
140.3.1
ArchitectureScopeDownloadSHA256
x86Download268B340C2E8BD449AEA78ED4280610DFFCAD2D5A251EB89A62AF75A3F5699B3C
x64Download253057C03E6CFDCF8102AEC44C13A62A7A2F9CD976BF40A2C86833E422C5BFB5
140.3.0
ArchitectureScopeDownloadSHA256
x86Download961C70A60E6C96E16D7FB9F9A840FDF6662058795F924ABE1FD1A77D3B77480F
x64Download313A83AD72B0D71FB1B5C312C94B4C82AAE691B97FFA413D985BE6DA1AD87F7C
140.2.1
ArchitectureScopeDownloadSHA256
x86DownloadA856FC2C08A6490E785D0DC1DB1490EBB73D946381D755D90CCD958A434B88B3
x64DownloadA88425701BF252DC526D8CDEBDEA63F47005F8DE0B42ED4A494EB63BAF9FBF14
140.2.0
ArchitectureScopeDownloadSHA256
x86DownloadA0253973A9862501453E007AEB850EE3C6B8B20F666EF3571EA3E6A07AB01C1D
x64Download0B04F96293173B357F397EF1FDB43C1F531C41367E9EFA5CBD72E02AE39F8673
140.1.1
ArchitectureScopeDownloadSHA256
x86Download0C046A8550F5D51B565DC5D2DD884AF95B3ECE5B1ACB7607E75CC25A6F55EA7E
x64DownloadCA609BD93D4F3480FC519BD0D4BD117017AD97EC0364AF48A27D121AFB84520A
128.14.0
ArchitectureScopeDownloadSHA256
x86Download5BF76530550C18E3E877FFD504B719FF4AB109A8D661B84CDFE44220A02A41B0
x64Download2F670F611BF13BCC22B262802B225A02633BD25A67EFC4ADC1BCA055152AC4AD
128.13.0
ArchitectureScopeDownloadSHA256
x86DownloadF41F680A26136ACFFFF88B36AC32DCABD2FCBEEF7009B273D523ED658BBFFAB5
x64Download550C04B0C8AF85F2DAFEA4ED0339255E7B0EB223E4F31B9ACE99DFE58EC83505
128.12.0
ArchitectureScopeDownloadSHA256
x86Download472638E7B238DB8B4AB525EEC75BA6D464495E993F0C4A81EB585A42E527C074
x64Download6D99C379F01C81731DCDA1FF2B4DE624DD424ED3D30B13EAB9023B1CA7FC4452
128.11.1
ArchitectureScopeDownloadSHA256
x86DownloadE93385AEAE08CE1ABEF52EC69DB53903EA12E2F36ABB08F4AE8E6D0EA53C2EC8
x64Download44BA46E88DBF4E7D74410ACB72903832D6F7AA03BA662867AB2C60899F4FF6DB
128.11.0
ArchitectureScopeDownloadSHA256
x86Download99275202C7FAB434EEE5FE6020244721BF9A6583AF71DE8C2B86F490B8D6DB7D
x64Download4DF917F21DBE339951F15E312E7BB5E4A9FEA4A52AF85A4C7DA67592C53EAFD5
128.10.2
ArchitectureScopeDownloadSHA256
x86Download45A30BCA73F90DF3C3DC719D7C290516F849ADBC701326A9BB1C296742993E19
x64Download7C560EF5C2C780862E8DD6F864DC70682FEB5FA0F2F9738AAE2F574511CA8E14
128.10.1
ArchitectureScopeDownloadSHA256
x86Download99BB1C87652E50E9270E81E9D71ABB21314660161799061D2E59712FF01F77BC
x64DownloadD59159DAD9C318C5037B12E1E9C2471452B50F4F3E14F17F04F450489881E3AF
128.10.0
ArchitectureScopeDownloadSHA256
x86DownloadADBF85018D59A313511EF36E11BE82E02A0AE9DD953C01D0D6C62F86F4B898E0
x64DownloadC236B09898135E994D016AB65F57145FE25F3A4E693E7226AFA6215E14175806
128.9.2
ArchitectureScopeDownloadSHA256
x86Download70ABB6589B832B56929E854742C87327E1C56BF7BD64E42F02BD37ADB9BC7013
x64Download27929D6D4C8B5628727F92FC56CFB66F1B13748148ADDD3443B7B7829E5EE3C5
128.9.1
ArchitectureScopeDownloadSHA256
x86DownloadFFF2F1CEB99BE56BF9294D6B968820A05BD088C9725F4EA5624CEBC559581134
x64DownloadBA6F79EE9647066DAD992073353B9B6B71CCCA94B9F3DDD0D54AA3544E33D242
128.9.0
ArchitectureScopeDownloadSHA256
x86DownloadBDD54CFFA63AAAF9C80109AFEC20AE1F2B9B211BD29A2A40CD062ABE5BBC1044
x64DownloadD5E5F40FF0580BE31AD0A42B4555427DB87995B10655729FF66BD15B670267BB
128.8.0
ArchitectureScopeDownloadSHA256
x86Download10DDBA236F94D415A0953922B276837C889CD8D4948F255DBAE2BBEA0589427C
x64Download5E6B91A312C235524BB6CB3FF9AB7F24A1DF08B262640D9AAE8B424611E370AC
128.7.1
ArchitectureScopeDownloadSHA256
x86Download75A76288B316617DBC94C3ADF2041F3B454DF0766ECFDC09F0F6B4B5DE6D81DC
x64DownloadE3E130D9A1728480EF99EC9FAAE185E17661B6AA9948E07478D1F66C576FA0A2
128.7.0
ArchitectureScopeDownloadSHA256
x86Download35D0E4AF73B9A71B4FB4063640547841785642E8FFBB0A2694ED0F758EB177F0
x64DownloadB241BEDE5749EC36B25C2EA09D46B31E5FE385D82D33FC64A5E50E1A6DC3A4F7
128.6.0
ArchitectureScopeDownloadSHA256
x86DownloadCA7E1D499AA1DFEC663DE3C597EACCF2A0787101CB881E09C511D24F5A03BF94
x64Download3D7170AFCD64B7EC504515891463B395F81C8CAF89D53DF269A1B66C358B52C4
128.5.2
ArchitectureScopeDownloadSHA256
x86DownloadC32A011FAE9B7562A5DB5CEDC1EBD2C275127C8520394D7E66BC8A9E635BB152
x64Download58A7DFBBB51667BFBF0D06F2BA588C873148C4C0DBF4C28D5D5F0AEFD713FC38
128.5.1
ArchitectureScopeDownloadSHA256
x86Download31EEC9234BE6918A0DD969F37AB18992C4DF86DE5B7E7B93FE1B5E65C91C809D
x64Download964EECE9E7F2C5402017017BFD51CC4CAD5CCC708040B1DBC0414D9D80F782A2
128.5.0
ArchitectureScopeDownloadSHA256
x86Download308E374C364A53252A2FC725078E80B8C6C70B490CE447B9FF61F732143762AC
x64Download652275E8A0F2D6C599CFC030F2E82C3B87916327DC291E83241AB4C2F2649510
128.4.4
ArchitectureScopeDownloadSHA256
x86Download54F5CA94DBB801CAE4A7C40010C728E560F8FF0E5B5DDDBB259DFED19184B2A1
x64Download2B7D81A110A1FB7463E0DC8BBDA6BD4C17B4C4310C4C3D70CC717C32C13A660D
128.4.3
ArchitectureScopeDownloadSHA256
x86DownloadC16D0DC70F59F1BE73F87A281A2B4A5D2A2F694604EFC6BB1A66D5590305DBE4
x64DownloadF4E08192DBB9BA28C5656FF86AF9608AD21201875F52EEA85BB45C71581A61A3
128.4.2
ArchitectureScopeDownloadSHA256
x86DownloadB79E12EB2F6360D81B16CC86A82639BCB8E8C3C7803FE5DA40BF418FE8E7CCAD
x64Download5820509F4494CC59F5159BA71155E657BCDAAED1627DE7FD98720442F825B5D8
128.4.1
ArchitectureScopeDownloadSHA256
x86Download882F45116674882E83930C09780EFB61F2192CE2512D00F2213A65025B657737
x64Download1375D06A6F0C42F19D9129DC47845BD29F17791668181F2D263278E8B876CAD4
128.4.0
ArchitectureScopeDownloadSHA256
x86DownloadB89D350D9807E3781ECF7E5726692EF9FB6E2FC33D815675EA0A0CAD26270A60
x64Download4FBF0440B6F8C4FA2EAD4D5FB52D78A9BB13278B7B32F7C9C27E0E6B716F08C5
128.3.3
ArchitectureScopeDownloadSHA256
x86Download885F8B18F1A1678B9BBE11D8266FBD09E4B63A7DAA9C161DC5F67A7212650D28
x64Download0993249A7C12ECDB2D700184612A974A416992D30E9FFB0E8B96157D62818615
128.3.2
ArchitectureScopeDownloadSHA256
x86Download35DC87728CFD6D8CDA717BB6F9A1B8E924BDC0D5509309453856626978055528
x64Download3E85A60A4A458237D7BA517A95FF706D1B9F3FF84F652A0F63C5EBAB58519162
128.3.1
ArchitectureScopeDownloadSHA256
x86DownloadF6CFDF84B0A56A6281C134334633BC94D6DDC1EA66D82A57D7EBBAEEAE4135FD
x64DownloadC5A2F4EBBFA0E4240BF63604BB9FAF783900850A5BA21A88AD896884FBA84AA3
128.3.0
ArchitectureScopeDownloadSHA256
x86Download5EFF9F7660E90E6F2C6F7A56313B46F908311F7ED2123E6BBBA9716433DD6E99
x64Download3311636C51765ECC1CCFDF3F75CD1ADD093FBA422DB64B54CC87481E91AF7F8D
128.2.3
ArchitectureScopeDownloadSHA256
x86DownloadD7C5344C9924098F33EEA7A025E414333EFD43C452C748977758088D973FD6B9
x64DownloadFE956993E3CB1A693A27161E9AE99A31BBB39A814587A049DC8C47EC0B18EF3F
128.2.2
ArchitectureScopeDownloadSHA256
x86Download68EA3C7FC2ACD07DFA95DDB27556E771099676EC6344BE382C83F9D8A94F4F27
x64DownloadC1D90A51DF052805C291EE83A30A969CB487264616F4214265230700E7C30D50
128.2.1
ArchitectureScopeDownloadSHA256
x86DownloadDEE0EFF15086DE77E3791E4EBCB28D17628463287BFE24AA706C29B84B03CF42
x64DownloadF17AA3EC1DF4D4612E0E525A3958107C924FD64D0CBBBB2B87C9ADD6388347EC
128.2.0
ArchitectureScopeDownloadSHA256
x86Download6CC5639A6898AF9F27A8FA2273E57667463D990D667EB6D03BD2A7E09205E90E
x64Download3651A9719E87A815FB4DAC43D893F432FACF27C5F0DD139AA32990DC401689F4
128.1.1
ArchitectureScopeDownloadSHA256
x86DownloadC678FCB156AA96E3724C952A5A24705D3EF670D0E2ABCFF7E1F87C637E267B83
x64Download7DE9CBEF2C409956FF45059005849D549A6872FFF71E3C5C3C77B989D80CC578
128.1.0
ArchitectureScopeDownloadSHA256
x86DownloadCA11EA6E3F3D092B1DF23BC02D01288CA4F2E444F2902D810205197F2908B78F
x64Download51ADD5BEA7354113E36F0EF503C0FDEF1D81C85A0A0B01784CCECDD0B3515E1A