Mozilla Thunderbird ESR (kk)

Mozilla·Mozilla.Thunderbird.ESR.kk

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.kk --exact --source winget

Latest 140.12.1·June 30, 2026

Release Notes

What’s Fixed fixed Security fixes

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86Download9BE59250C83A16EA940A21D6BB6DA220DB2AD7E1576A183DF9178097E11BA695
x64DownloadAAD3360739E48AD72ED0EDC5A293E8BE7F1A014ED64824EA1D793FBE174D4BAF

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
x86Download2D71D058FE2E176B7930A46BA613B079E0A6E28F3071E212F478E4FD8F061758
x64Download7BA68EA8F1EF8C48351DB3B42D5283878DDC2F7623A2572D44FA357E80CA18A3
140.11.1
ArchitectureScopeDownloadSHA256
x86Download16DA123A1F9D297652937B4DE63159F508F3A55737305E69CD7CA587E340EF79
x64DownloadEF834030151F74FE08C4B1219D2745AD17C512DDF0D9B6ECF5CEAF356A9F38C7
140.11.0
ArchitectureScopeDownloadSHA256
x86DownloadCCB8BA225FEE7D69B29683FEFC722179942BDEC4A928FB51742CF01FA99D30AF
x64Download8B951E9C602E754F5E36CED3EBA82A86F3E472D7BA74E49F34018354D8F538F4
140.10.2
ArchitectureScopeDownloadSHA256
x86Download8C4FE10158CF999AA568E86FDF9A1A2B7F3E14FF6DB6986401F81082E5067625
x64Download28414FD7BB44BFBAD3A5BDDF3CF2D94BEB79C6FDE20AF872507AE20C5127A316
140.10.1
ArchitectureScopeDownloadSHA256
x86Download76F852281C613F4037FA64B0D4011016BA9FFE267BF2ADCFA28B0880AEB16FBA
x64Download7E38D0D963E835BAC832D3DE184E0EAB136C579B571746D8DCE582B29327D1DD
140.10.0
ArchitectureScopeDownloadSHA256
x86Download4BB4730BD8D60BA65B2C9BB14B543F234FEFBC8EE79F311D539CC94A27614FDC
x64DownloadC2EACC1384EB2692F4E7C21A53D20B9FF25B04AAC99583C57F6895430E9FBDD1
140.9.1
ArchitectureScopeDownloadSHA256
x86DownloadF3685040269F610015D4F6585FB79300AA29969DE03CB7FF759191A552615F3B
x64Download370451FF7C71435049DCFCCC0FE5AB75A65AE88F377F19B48645FAA635E40E9B
140.9.0
ArchitectureScopeDownloadSHA256
x86Download090A2D24420AAE1D5C211ED385A684BDB2D20C318B16B0A1C38495B8E1FCEF31
x64Download59730949546B43D1239C12D91C8C6470A219F1D2D24F1E7F09D2C10F07C81B93
140.8.1
ArchitectureScopeDownloadSHA256
x86DownloadC24EECFCA606B333A4D9B4AD2EEF70AF0E5AD229BD86CC535B2DED46C1E1C77B
x64Download405B94B1B56B5D02E2F25ED77C461672A6373874675A81BF38A37DFBF8C94DFE
140.8.0
ArchitectureScopeDownloadSHA256
x86Download4BD637FF96A9DBD887AB6E1BBC7BEB7C45CBF4AD81E4CCFB668F03AB4081D32C
x64DownloadFAB42F8F3214688B01C3A380492CD30597C60F8BE6DA54F0B93B258668637CF8
140.7.2
ArchitectureScopeDownloadSHA256
x86Download9EE9E76BFD2B942EF0CAF5D33CB412BC5C7016974F6EB3B0DFC1ED25EAAA007A
x64DownloadDB6A55131F5342D51AEF3EC34DFC00AF1C52CE6F801D1A3C531113DF60F643E1
140.7.1
ArchitectureScopeDownloadSHA256
x86Download4DEA9E5D2AF92EC51BC374F262E02BA0839D65AF12D3222E54ECE1DD807A0B0B
x64Download1601C252C5A01DF3731028CE69A7480775EDC183D2B1C57C8E0EDF5998DB0AB3
140.7.0
ArchitectureScopeDownloadSHA256
x86Download9D2236C67769AE60CB81CA1CB9983217A1FB27584D3B9841CBE3EE3DAE351DAD
x64DownloadBE4DC13F728B57E5F378726DECF3AB2A0B7FE19AE2200AE7AF078B29A826153A
140.6.0
ArchitectureScopeDownloadSHA256
x86Download77769847B301334FC8D664A09FC2BEB3D63B3ADDA2700DD35F8F682265EA4507
x64Download84B13DAFC61F4346EF8B7DCAE61B691A2AC0363390DB869D8A40CCCFB66EBCD5
140.5.0
ArchitectureScopeDownloadSHA256
x86DownloadDA4C945626A20C156AEC622EE0C7D7E2F61F1BE64297C9FB69091786DC6C554E
x64Download5D1F35E99CD09248E7D5FB646758C5A66C8415222EF702B8867561AF05740824
140.4.0
ArchitectureScopeDownloadSHA256
x86DownloadF4F6A1F1EDC91A7E41D445BFEB98319E070B1FB444AFF26199CE1DE44DCC64D6
x64DownloadC1F3C3E8B25C1FE6949B8E128F8C14B0D94A59B6EEEC07A17D4F3CCDA6EDA2EC
140.3.1
ArchitectureScopeDownloadSHA256
x86Download1D04252ADD22110D91F21F9A819DD09EBB6C62F64AB794B3CC477213DF476C82
x64Download22B83902125CE06BC73DF6D472A63E718E556803EA682B0E330CC1D601C2D5C6
140.3.0
ArchitectureScopeDownloadSHA256
x86DownloadB23C5D985E1E51CB889CA3B3615BFCF727BFADD8A899D2A1F1ADE0FDFC61E3D8
x64DownloadBF0069F4F8E86320C18615546C84E5E04DCF5B292B916EF0C80E4E307EE16AB2
140.2.1
ArchitectureScopeDownloadSHA256
x86Download3F9866F3B3AB95141AB8602E357D8BFB6E3723486DE619231BC2AB8889087C29
x64DownloadBF0FF70487B29310B0BC1380E373EB3907A370EBDCE711DD3BEB798F0E7E7129
140.2.0
ArchitectureScopeDownloadSHA256
x86DownloadCFCAF08A5E399E455D092D9B68E060C401FDA8D5A79D5313A3DFFAB98D7D4CBD
x64DownloadD46D0D04E393111D0D4B1066F7F77BE936E743666F016CBBC4D58AEA1526DE51
140.1.1
ArchitectureScopeDownloadSHA256
x86DownloadCA398F635E5C52A57CBB86D5ECC35D6CA7B0F370AD9EC4A3B3720EDA56680575
x64DownloadB7ED2A980A6C4EC249B2B399F21A4FFCD51D74120D1EF4A46843350C0424C087
128.14.0
ArchitectureScopeDownloadSHA256
x86DownloadA37782D4ECA2A6C165EB227579E871CAA5F54923019902F9DD4CC9D54757AA5E
x64DownloadF95DE5EA459A918DFCACDB29FF0A46CFDFF4F67936BB39E711C26D45950C2918
128.13.0
ArchitectureScopeDownloadSHA256
x86Download3ADA24F13929FCEC12FB7C874291E058A8FA6CB878A5FC30B58D8C8B6AA4CCE5
x64DownloadA6683B920B5127E4F647E1402F27CBE86A1C964F18BE2E7833DCF488AB9CBC8B
128.12.0
ArchitectureScopeDownloadSHA256
x86Download10EE697D4F7D819035BA5D3FBBA99E41E54200426A067521427954F7908D7F38
x64DownloadCBB57C01419FA34477061E02D20136F7A2CA0F64F212A835D045F39DC47E6B46
128.11.1
ArchitectureScopeDownloadSHA256
x86DownloadD26079563E611AC7C8CFC3CBB6A7C49427F8AE200EBF8B4A49DD2439907A1658
x64Download04EA0C3586F3DC7055BF91EEE517067C23C205AC44BE86EE43A5183651D1B802
128.11.0
ArchitectureScopeDownloadSHA256
x86Download0DAB774D3382838372ECAD16D9AD59049A22776C1875D1E50A88F5A3ADD2D095
x64Download684C98837D3EF132C5D8E262FA5EB25ADF4A49E059F593E2C6DFBFE5F296DC07
128.10.2
ArchitectureScopeDownloadSHA256
x86Download756785003044B4C4B115BEF7E4A20A2B6A8D2E4855995A7316AA76660ADC0D8A
x64DownloadB7B8B9A8FE0656485D068D5AA9DFE3F0F777446BC35FEBD3B0AA206CB5B88C4B
128.10.1
ArchitectureScopeDownloadSHA256
x86Download248F914806427397463C7FD063AAAD95B01BA04E24F91E3A0A5C598EA2653928
x64Download39A41E01B4F8E048D07D3A086C433116C91D408923D12E51E7163A8AB7B015C7
128.10.0
ArchitectureScopeDownloadSHA256
x86DownloadADB5A7C42052B44B13F2677F1A4FF665D2B34AA5C4F8A4FC7B17C17FCE9F7B6F
x64Download1D262C4D8FD9411873A74838FB0D72E6746FC6A957CF03D566AEF61F8CA09872
128.9.2
ArchitectureScopeDownloadSHA256
x86Download0BBBF684C7E17A3CC8F467A914D7A49B1CA3F32C170E60C05748B77CAC1AFC09
x64Download6B327500906B123D70C6C3F83054F895E9F2A4B84088FDD5531B6EC1AF77A3B2
128.9.1
ArchitectureScopeDownloadSHA256
x86DownloadC0ABCDD668AEFC5700FE9B42372094A055B153230D0FF7B65B866C8A74498F8C
x64Download821BBA0694C4453FC4E0E730941F73ACF464A0D44D5682BFE7CEB57871B77FB5
128.9.0
ArchitectureScopeDownloadSHA256
x86Download9B4E3676ECF52AF356C2C57B4AE4CBF608169910C4CC5415C0FA519C929716EB
x64Download1EC4CEFB2EB78BE046843A954FE80F79FE1D58650191EDB3D65B58B0AC1BCA4E
128.8.0
ArchitectureScopeDownloadSHA256
x86DownloadE5A3BF4BEEBB88FAE7B61980F8B51ADD992DB728BD9A158DF46280B586A6ADE6
x64DownloadBAF032E6B7054CF1215A29124EDED584AD2DEB5B6CBCBE455BB5F33FB447DC75
128.7.1
ArchitectureScopeDownloadSHA256
x86DownloadE713CA23100696C7E76ADCC01EFFB07A5E280FF1052AC69F4623F9109039C366
x64Download1318A7710D5B74F02434D8D2929D5E5D33E725BC23BB4BD0545363D79AA4A6A0
128.7.0
ArchitectureScopeDownloadSHA256
x86DownloadEE2C958DD2456A079536EAF96E66B351229D06B5DC8BF936626E932E758738D4
x64Download27080E2A6226AD0A86ABA955DD3C1C9B633CCD93D94219AFEB618D12CA04ECD8
128.6.0
ArchitectureScopeDownloadSHA256
x86DownloadC59772D91376A986DF903BAA25E0C8FF071EEA41DB6EE4D50A4B01D3C6541B80
x64DownloadFBACE0840F42ECFBC4C8FE78E7832305079B2055153743CA8A1FD7955D0B6393
128.5.2
ArchitectureScopeDownloadSHA256
x86Download0F739660D0AC20FC31BEA7E6D11E0DCDE70973C5AF96801BA03B43BE3B08F9F4
x64Download60818594F898431A7BCB13C7E5397307FAD970ACC6D44A9095C147BDB79DD7E7
128.5.1
ArchitectureScopeDownloadSHA256
x86Download889FD27D4B7F6AE8CAC6521FEE6F198580E7A001CF75DB9426D42F3FD9BE905B
x64DownloadEB99F25F34DF5542D18AAB936153DD2C99CDBDB9043CAC2FD2481CFF7A35D640
128.5.0
ArchitectureScopeDownloadSHA256
x86Download559A6F3EC428466286D5E63A58BBBEEFC33974E5BE010B354F34B7723676D37D
x64DownloadAECF4D942CF1073E04F515B61A077B2764EA5BFB9F9105225CFE2E5331F6E90D
128.4.4
ArchitectureScopeDownloadSHA256
x86DownloadFDE5D0D9106923C0D6C7C967DC5D3F1353C2F2D312DB06B0EF9C5F617635D22D
x64DownloadF218B98CD87B9B436A9E3A4BD4A8FB46DC6C4BBED8B266F3A95C63DA47B023FB
128.4.3
ArchitectureScopeDownloadSHA256
x86Download05FFA86ED6D05279C0538DC85D7C108D22C828E95A6D0D2FD1D3A66CA8C9FEF7
x64Download4BF03582C5EB71B684E35D1124ABBE7056437C306C13BC7AA14C4A7320906994
128.4.2
ArchitectureScopeDownloadSHA256
x86Download3F95535F3EF14EBB48FC3A60819C6B63875DF3D7E4FE05CDA6D789C8BEF491D7
x64Download9420B3D32F30A66401B9A36FE855633955C0E0EC1F9F96CD7EF3E2DE092617B7
128.4.1
ArchitectureScopeDownloadSHA256
x86Download21B51778810D58AE5C7008EC1E2046032319406675EE110801842A185F26E3E9
x64Download511F29D9C04E42EA0D7B2F4288DB5ED1E61137D67CDB3C722891553D7B5E7565
128.4.0
ArchitectureScopeDownloadSHA256
x86DownloadC078584AF1456C9ADD1190C301BD5A9EB33D343B1A08B34B934E3643C4D7F3B3
x64Download720806C07611D63D45D30B065C0054BD2227D7BC61701EB013FFAFCE416BEE48
128.3.3
ArchitectureScopeDownloadSHA256
x86Download30AD41AC548212D73E688714A6656851C27E49A13C9C849453381A4EBC1FAB71
x64DownloadD546C93506E172D177FDC54DDD6C394CB113538BEDC4CAF67BB817E6C3DC4571
128.3.2
ArchitectureScopeDownloadSHA256
x86DownloadC862C1B7900962CB66F7F8A2A01430907656C4930CB8E1202D76053972E7D985
x64Download8A90B424A4DD7F3CF3CC5945BD6FACFB0A88108B7CC565D51D1B43CFC2A0A83C
128.3.1
ArchitectureScopeDownloadSHA256
x86DownloadCCADBD5CDCFD02F4A93F0AA336D3FF927CF8200EF17FE450373633FC8F7AA9EB
x64Download9DEFF3DB1D5D973EA48EB76CE380B019F3DC0F7A822F07EABF9ADCF52B976668
128.3.0
ArchitectureScopeDownloadSHA256
x86Download6CAE4283DB00EDD5F95647EB5AEE70DC9F0AAE3950E2FFEED5F5A2A017787106
x64Download76FDC5F5EB09AFA1B5DD7FA99D799557E1AC2F2EF02E9A3811DCCB43ADEBE355
128.2.3
ArchitectureScopeDownloadSHA256
x86Download874FB3C54302A9CE96F4E39F3B158BEB24B75F8B99CD4AD1D11491081CC89782
x64Download8B97E7F93ECF419D98821F6F7FFDA1AA1A182E2519088A069E4FD719B8203E2B
128.2.2
ArchitectureScopeDownloadSHA256
x86DownloadCD7E5AB652D248762E786C656A6F4EE5D081373E841A40C326867FE0D87FE659
x64Download1C706F6306B49460624F656BB606A9641157A0E1A8CE12DF63A9E009BB8AFAC7
128.2.1
ArchitectureScopeDownloadSHA256
x86Download438BC3F7999B7B9D08D3F966ABEBB9874E3AE61940A3E4A3B16D4951E42971D2
x64Download079445A6D7A4427C238AF8C277E47EC49539C9C2A884FAAA46969B5471FB9F15
128.2.0
ArchitectureScopeDownloadSHA256
x86Download55C638C2EBC73B57676BB23527AA5B94557E89FA94C653D3D7C255884194E6A9
x64Download67E0223F9C1E8BA22005143AC6D86A957BA557D429A7C195BCA1A6811AD65488
128.1.1
ArchitectureScopeDownloadSHA256
x86DownloadBA57B774C74C5A0DF3292F77820479D783896FE3EA69FBAC4028B92A0EA336AA
x64DownloadA4FBBA8CFF60F63440BD80E2F13A8EFE61A28E5354B8E5328406A1E067D01EAA
128.1.0
ArchitectureScopeDownloadSHA256
x86DownloadFC90DEA1A08394E1A8120505355654DC5EC5CC996C3168B1D7F5DF46B2217EDC
x64Download11BAF8076CF9CFC71E0444C8D95444D71BB7209CE2783D5C0733F84C6BE21CCB