Mozilla Thunderbird ESR (cy)

Mozilla·Mozilla.Thunderbird.ESR.cy

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.cy --exact --source winget

Latest 140.12.1·June 30, 2026

Release Notes

What’s Fixed fixed Security fixes

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86Download89E02B441686CC21CC57647E3F76975DCC188D52000BDBC863439ED99D1CFBA9
x64DownloadF8BD700B25AAC79EC7EAFD195AA9E9A15E81BA7B24DC123383BDFF46D741DE4D

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
x86Download7AA52F7769DE00F666BE6ED77DC8690953EB79053B56810D3F6A2C297E702704
x64Download891737FE0116974E78609BF597C36CAF0716ADF6B2EBDEABEBBF992823D7E268
140.11.1
ArchitectureScopeDownloadSHA256
x86Download8325B2FF8ED5A7890CAD44AB53C2CC1A8AC6300D44355BA7B077FEDE1B80391F
x64DownloadDB2199962AC539B21B300E582B07333FF40CB0E7F0B4F29F5D7099B2D3B6EFB5
140.11.0
ArchitectureScopeDownloadSHA256
x86Download97F1ACB159DDF77E553A1C8FCE55E3B9D0BD1D15282D54B5B3D34F8C4506E408
x64Download235AF999F0DB6A49E722C46275BE2BF3DC08F6EC4DF24258020EE4F2CEA6A39A
140.10.2
ArchitectureScopeDownloadSHA256
x86DownloadF69B4A3CCE7794EEB4B27493C4ED2CCECCB289230844F662CB235912C39967D3
x64DownloadFA1532816F1113E35D044CDF8A9C61419939DEC9ED230C4C48592C1888807831
140.10.1
ArchitectureScopeDownloadSHA256
x86DownloadBAEEF9D0E37706B5690E62E6A28CEC4E41F5893744F971DF267C8FE62BD8D707
x64Download13BDA4FE2E18D31DE4935CBC13724C72262F1C35AC91B8AFF9D030C4EDA9E07F
140.10.0
ArchitectureScopeDownloadSHA256
x86Download7CAC74BE653D355CD92FE4A137213A3120EBABFE42A30E1FDF71A2ACB8A1A724
x64Download348337C5AC45368F8D3111D92A8E761FC04E5BDDA39DC53FE4D5CAA545F75C38
140.9.1
ArchitectureScopeDownloadSHA256
x86Download338CE18381837134740BC23F568D2F5C53B604E11D4C380EEAD50A9BDF378DD7
x64Download6E2F49CB38F0149B719EFF576DBE08DB8FAFA6748F0CE8976035EAF7B8C96A5A
140.9.0
ArchitectureScopeDownloadSHA256
x86DownloadE82404605AA133EE154741533F3F5C46F00CC407C4849E7C9A2B32D040CDA8CB
x64Download4B3BE4307713D46EE262BA8815F7814CCA02EFAEF61291F7D778EEB6DA315CAE
140.8.1
ArchitectureScopeDownloadSHA256
x86Download42B3242AB9FF5733AD67415C6AC8A2561074429B093CD5E8E4598E397446043F
x64DownloadEE68E68BF98F9C07D1473C695B3E57E29C3E4D465B6C479A786D07CE97EE617D
140.8.0
ArchitectureScopeDownloadSHA256
x86DownloadA3CE82CE3F165AAA76E4B10C1AD2567CA3575FD5EE46290896A687DC17EB4FC8
x64DownloadAA9186C0FA9FD9C444C99D5FC9CFD9B7F3E9AECD22C78AB9E293755B4A505463
140.7.2
ArchitectureScopeDownloadSHA256
x86DownloadDF01D2E323E2E2161FDA8BBE522B5CFBB9D46DA63476764421F2A50CEFB672C8
x64Download92C66EEE11DD4C0A0A247C35EBDA3A93E1DF9C2EF797E62A5CC66F87C61421A3
140.7.1
ArchitectureScopeDownloadSHA256
x86Download06F7EC9E07119A4B0108B4D00418AC02C7A2C7EDAD1E2A4315F5FBD2DCD9FB18
x64DownloadBD8178713165B99596BBB7C0579BFDDCEE495983C2A5DD67F2788E59BABA4617
140.7.0
ArchitectureScopeDownloadSHA256
x86DownloadEFF4497AF359827900195802BB793E25E558C0500E915381E1505DD199EB274A
x64Download2A75174732AF264BD50E595D1987FCB1D327E3AA32F2B838D7792C1EDB186CF9
140.6.0
ArchitectureScopeDownloadSHA256
x86DownloadE709FE3FD0FA451EC48AD9226E7EE7E5848B05520ED36E8558B067A17DD8357F
x64DownloadDCA3DEBB9F6993E8E9DB622E76BCDBBF99B76C19FA36CD8C5149809A69D7531A
140.5.0
ArchitectureScopeDownloadSHA256
x86DownloadE88A3A830FD054EF6AD3A11D0B87D29649EAEA0339B0C49DF46B47D2C0DA8072
x64Download5AA5B1193B1EE7F8C9BBA2966173A9CF92C14F8528A2334157986F3F70460E1B
140.4.0
ArchitectureScopeDownloadSHA256
x86Download9F86E201D32348EF3621A9308EA9E8731BC0E9025E411842AD1E5E78AA1B405E
x64DownloadF9560C73C532203D475973F794B53E02246FF19B5E3FDBB7A907744AB3445415
140.3.1
ArchitectureScopeDownloadSHA256
x86Download7C7F759FC87CC9E9BFD6669DE0492E175F11893FA117129F75B33AF8B9AA2EAB
x64DownloadBEAB4713B32F08E52D0BF46A91D9BA61BA5DAC936131AA1694379F7113F18748
140.3.0
ArchitectureScopeDownloadSHA256
x86Download9B1252D194DE3E075C4EC0911C7ED70A8A4AD3F72C9D52C88E4FA0F547CE4175
x64DownloadD1663175E50F60BC2FFFAFCA1D689A45892BA2299DB2C51A932B80E904813780
140.2.1
ArchitectureScopeDownloadSHA256
x86Download26BB78826194E2B0AFAD8C6B66241EC3A92CC0AB80FB946C310DDCE8F745F1E9
x64DownloadF31D6FDD7E75897A66CD605CF28F06ACFBFE5047532547249007B6232671851F
140.2.0
ArchitectureScopeDownloadSHA256
x86Download533C0B3DE41C771C36187EDE3E07B4B7AD81CECF7A15C53001B0DBBCE54C2E51
x64DownloadFE89067119F9C1837480DDC177A0748555FD16669D11666D2512B6CF608C6C24
140.1.1
ArchitectureScopeDownloadSHA256
x86DownloadD400681E7F57673BFE9284EA72B4A6E49DE955D62ADB565C86D2040D3FEFE2DC
x64Download3E78C427F803EE19B1FD536BA082869249F3834A76747F9D0916CE20E5259844
128.14.0
ArchitectureScopeDownloadSHA256
x86Download0626B6A297B17352BBAC8C375AFAD862D89A7FF3F23EC96F2DD71B24AD86F903
x64Download777D92047161B24FFB32E9D4F4E9C8931612BFC92F243A5701F76FE8828057CA
128.13.0
ArchitectureScopeDownloadSHA256
x86Download511E72ECDFABF5827891C51D9B172CCECC180B0886EA9A20FC1578E23C40D04D
x64DownloadB019817A8E2F265F2EDE9132AC5A72F70DB056B3A3B20D4B4E943BB3415E2660
128.12.0
ArchitectureScopeDownloadSHA256
x86DownloadEDA4214C85D8F45D890C5C30C80662C80935E497EBA03AA2F129781511C523A1
x64DownloadD72AE5DA1BD44264528EBAEBD9DB81B20BF8886A10FC5286FB861B36FBD30121
128.11.1
ArchitectureScopeDownloadSHA256
x86Download438FD5270EA3CE749FBFDA3D41A542037E6F87E7447B8C532E4D6617AC40DF09
x64Download924994AB8837A03F7561CFFC795B1D37B02C1B8EB5645A0895066017745F0CB7
128.11.0
ArchitectureScopeDownloadSHA256
x86Download3734A54DA724166C66FDA1EB834F0A2A55D2C44E8C6AF595B2B656C2A20D6B29
x64Download9DB6CF3441A1A211C1F398BE561D421B4C6A454018DBAD8253D05A026B0C2FE5
128.10.2
ArchitectureScopeDownloadSHA256
x86Download856E5D90C0F47D0B9B3007C8AA02E09FDF0DF64623ABF07BED9E6FCB04228121
x64DownloadA787977E1E2FCDB50D13B69B93795C8B482A2637C1B248513350BA2E6E9466AA
128.10.1
ArchitectureScopeDownloadSHA256
x86Download6DDF93EAF5BC1297BD70C754B4E7795C999A3C5D352EEA209636819F467B76F3
x64Download6748B6BFC90E00A941C300D6087B0CA9AC3492377B7F1D850878B6EDF50F9309
128.10.0
ArchitectureScopeDownloadSHA256
x86DownloadF0DB79ED6061D51195A90039416B4886B6962B7C99F9AC0F42BF6393FBD93A03
x64DownloadD76B98F7A05127070D6A61571F5F6178A8DA706F7BD49050C3A044372CE35736
128.9.2
ArchitectureScopeDownloadSHA256
x86Download31DBC01CD850E54866A3ED54AC9B874133992A8D25CF644F2F482792FA427D59
x64Download0474D1B5BDFF5F1ED4CDC42D910479CD318FB9BDC8CAE37AF7EFD8BA9B963853
128.9.1
ArchitectureScopeDownloadSHA256
x86DownloadEA7FB4A1BA7C25B1139C7DEA7C951C9BFA8454F1E17F652DC0428084E52CD1FB
x64Download0A8BFD202F46A691BB9E3DA7202065C68BEFB7FD25D6B1779C602985F063AB2F
128.9.0
ArchitectureScopeDownloadSHA256
x86Download169D78AB83E55BC4ABCABC8D150301D6E627BA1F7682B93C4571E35861A82F93
x64Download86BFA3C1055E9B7189B91C7BF6E8B6458C096607C5A6523B59ABB8FFCF0324FA
128.8.0
ArchitectureScopeDownloadSHA256
x86Download17B4A7C4166B0BFCBC7FC8F2789F21EDE343D5028B309AA67EA12302D00D5C1F
x64Download3E139A70D2A70FAD396FCF5DF4C8E7BC0372FB4D394A0ED9B1E2D24D61AA3182
128.7.1
ArchitectureScopeDownloadSHA256
x86Download03D734451A3DDBB6CD07FDB7F4AB02E8C317D197E5342D8197B0F50838FC3D33
x64Download75B91FD17D9EB37B81E4C9DF4F54B4BFD3358B75E4874A318C7CD8613F48362F
128.7.0
ArchitectureScopeDownloadSHA256
x86Download45073BC905A19D8EDF7782B49722CB0FF68F8503600F0DFA33AAA20D88876C90
x64DownloadDC357EA39401763F521D3B178EF3848EED73555122A962FC80FBCE0A454927CD
128.6.0
ArchitectureScopeDownloadSHA256
x86Download644758EFAC96AB258B2705908F791875B9DF77AD2572DE2E2A7A817DD6D568EB
x64Download9D55819B8D70320F8F5AABEC14AE8D91129C38C377F9610BA141AA0341FE90E6
128.5.2
ArchitectureScopeDownloadSHA256
x86Download57FE8226A48555258F67E8F5B5FADCB4FCB85A5471E5A23DC0593466ED1A83CF
x64Download9F70C47F38A4DF9ADF625CB1018F5CF5409AA94C32D04E428EF73C2E0F1568D8
128.5.1
ArchitectureScopeDownloadSHA256
x86Download8DB12AE1AE537AF8EDB25B5683C2416A4957420C67631BD913620D2F7F080B84
x64Download8A80B4F00EBD999BE318FEAFB3D2DEB5BA7620DA495CA290DACE96956A1A8401
128.5.0
ArchitectureScopeDownloadSHA256
x86Download417293066928B4ECA3D4C0F863A3A32AD71BAD701A0260AF6A50589956C85B31
x64Download45DC54A46863C4293A9C675009590873577075F47408E466272C1C66384DA4AE
128.4.4
ArchitectureScopeDownloadSHA256
x86DownloadFAD1324D61FAA6258CFCAD606F011B292867ED5C124AAB8D4AB639A9FAE09A64
x64DownloadBC348239D49F082BBD72E1888B0433C92EF4687A4401F2A4B8F8C660F424030D
128.4.3
ArchitectureScopeDownloadSHA256
x86DownloadD2621E9302F9A314FCDD21EB245AA1D8D43EF2966F05C2384BE93020BB09BE6B
x64DownloadFA19E6B683C77FBC56C87E3643E5A25F8E40C4BBD1D580EFD0390610163D151F
128.4.2
ArchitectureScopeDownloadSHA256
x86Download7A930A267A9898032A7EAAC5065C93FF3D3E2315F5C531302C96F0B0E70227A3
x64DownloadA79D5415390FB62A0E98F7C8A5649B73AA72B0857230F6D9FC7E26C9989A7EB3
128.4.1
ArchitectureScopeDownloadSHA256
x86DownloadFF6D66DC1B3CC77C3528384D9E62043ADEB321F3CA46AE83E1351BCDA97BBDA2
x64DownloadC2060734C800948A911967664B569E63B7ADD60DEE968B203779B4ACFB7CFE6F
128.4.0
ArchitectureScopeDownloadSHA256
x86Download546B5AEF1F004CFBDDE3F82769DE6FCB940626D675E2155F30960B0BF15DF414
x64DownloadE5FF1247A0CCF787BBD013590DCE207B9845AD6B1A646E9CB7F626474C757FFD
128.3.3
ArchitectureScopeDownloadSHA256
x86Download0ECCDDD6A22BEE2EBFFBA99DFAE588D46F12E8E257B0258A44D21EF6D9EB2A0C
x64Download13AC3E346AEBEC4F0CD40349A7CC2B69EAE6B20E667D48BD383CFF8911085429
128.3.2
ArchitectureScopeDownloadSHA256
x86Download9826CDA980B21EF8F1D2B501AE1B34E84C1DF6B3558F9CB108E6C16E719B6BB5
x64Download355CF760CB5A04E68CD683CB41EE7921E98FDCC729856A93270D7F69C05CE1A5
128.3.1
ArchitectureScopeDownloadSHA256
x86Download7FDA0E5450735C395544E4581B9DAAD36FF7A4F8ADB2FC39FFC001181489810F
x64DownloadEBB92E0EDFD4E4870F8213F13F334845436212DC1E4230718846981EE41B7B43
128.3.0
ArchitectureScopeDownloadSHA256
x86Download85BB94FE34001798DB0B4EC6C37ABAB5F6EAE273AE27AC15AD2C37FAFAE5B546
x64DownloadB131907D03C4659B521A681F6676E77F68ADD086D13366E8EEF7F62EE9E626DA
128.2.3
ArchitectureScopeDownloadSHA256
x86Download92760E035C1FB1E22185FB18533C336343AD1907F14AC9F28CF3D2A9F7F36FFA
x64Download80D1A9C6D883031E5A26F4A5AF38B988D070DD1FB067AD2C3BC113C418984E63
128.2.2
ArchitectureScopeDownloadSHA256
x86Download0D58A9E9B29219844D1D115305222C03AB0A419C5FB2B30F5F8D42C35F58BEF3
x64Download6D2B17A49ED8D7B7A356D6C667A6FCC2301AD670378A003BA862F59B4EB3B773
128.2.1
ArchitectureScopeDownloadSHA256
x86DownloadD9A11967CC4CC72159BFBA316AC91AE03C31BA79E1FA4123131C37BCA54606E7
x64DownloadD8006CB9C35E5E79DAF1EDAC721107C943809C5D2135B448149689C1F563406B
128.2.0
ArchitectureScopeDownloadSHA256
x86DownloadF7E9E5433E526AAA45907850FB7C2B4A2B4F8A58F60ABAB57B8E2C048B083ABE
x64DownloadC173723113778166BE6B39429B0B3F87D8F0E6A4289F5A297F8A751002591EF5
128.1.1
ArchitectureScopeDownloadSHA256
x86Download51BD746E14F04288DE64713F1801E6ECF061F443C4D6E64F3FF41D0F3C87B379
x64Download76C3402263BB6A3F8FB74A2F288793D40979268744B1D7A464E11E0E3A906B4D
128.1.0
ArchitectureScopeDownloadSHA256
x86Download9682D4728743AB7622D8F342C44F1C9BE045220E8D2F1F9414C2BF0E5B89B174
x64Download3329E378FD16A1E7E938D3AED5F60273F750F7716079568842D11ECA433D6AE6