Mozilla Thunderbird ESR (af)

Mozilla·Mozilla.Thunderbird.ESR.af

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.af --exact --source winget

Latest 140.12.1·June 30, 2026

Release Notes

What’s Fixed fixed Security fixes

Installer type: nullsoft

ArchitectureScopeDownloadSHA256
x86Download9ED0153E16AA935FC4CA452547628C16A0D7C1E46020BFE1439F03F8C6AA800A
x64DownloadC3C96519E0625668D6E70022E2F3AA9CCD138F3E1331FA669DCD77B8B7224767

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
x86Download48E55AEA2840A8FD5551635AD0C0ACB93045BB8CD17D9AADE19154709A036516
x64DownloadB149F729706931E1A888CCF62820C93707E3CCE008D94025B9D5A79EE773A473
140.11.1
ArchitectureScopeDownloadSHA256
x86DownloadE592A5A346BB54022AF951E418E3711489F235241777BE7C5C642D3C4A28E0E1
x64Download67ED65125B85292664A7F3B04104398B2C96E5302C7A1947EAD8F66F266319CA
140.11.0
ArchitectureScopeDownloadSHA256
x86DownloadE525F455CF1E05A1B72D8D779DEEDAAECC4A070C34E9067FFDBC2AB873C345AC
x64DownloadBBD4565D539B441BC574030529B537CC0A5EAC81970DAE136AC7A3308F561862
140.10.2
ArchitectureScopeDownloadSHA256
x86Download14183163C44CC7021D9305E3D845ECBC8AC2CD88FB53E0E0B0EA89719AE00C91
x64DownloadAA1C8F9A7FA62A0768CF4FAE0E80BC9E061AA63F2F0CDA4C2AA44347314C4B99
140.10.1
ArchitectureScopeDownloadSHA256
x86Download57B357E8169144B56E8B5D2CD336CC29CE488F871C09B13AC466EBC84FC6BBEF
x64Download4E5EDDF421A68ED0A5043020DD62EFA3A5A310055B356EC04A37EFEBF4DFE75A
140.10.0
ArchitectureScopeDownloadSHA256
x86DownloadDFD47B57A9ACA3916713E134B9AD330700B7003EA3169E5EC1809C943F198719
x64Download36B87E8039A7E44E28C42EA6EE0D2880ABEF914A3430814C32277580D2FC5B99
140.9.1
ArchitectureScopeDownloadSHA256
x86Download05E7B66A5C43599F32C01DCCEB844468EE1F43FF677B451BEFAFBFAAD9981461
x64DownloadC10CB44023A8222EB26CD9D7937C19C7AA4482846CA50A120708630D7A04B3F8
140.9.0
ArchitectureScopeDownloadSHA256
x86Download3312BAD4FD0BDB421A40539DBC849728E1D6935A70F67D85BABE1C2572D65179
x64Download9A51E24C39E41D5FD3FB7D34B61D5BE7747DB5394A040B6378F45E82872698C1
140.8.1
ArchitectureScopeDownloadSHA256
x86Download937074FE21BE00CF9678FB97AADF5FC8C071708D8CD281D7B0C4CCF966D27E30
x64DownloadB5EDDF82843ED38B07A46134DADCF76FE4DF3F502C1EEBBEF83B850756ED4B8F
140.8.0
ArchitectureScopeDownloadSHA256
x86DownloadFC81A4DB2424EAC78FDC69E729687FB1C60D4E55566F8612083D83EC4039B361
x64Download486A1FC36A93982E65F8D8109C8DACE24D4BF09518B6F5F63D23877101D52E66
140.7.2
ArchitectureScopeDownloadSHA256
x86Download27AEDE3E9A09049EDF7E49CAFD822F622735683B06525882C2A7662ED729EC95
x64Download4DA028984E55B26723A7E9FB0A605F1A256EC39E2B568ECA4B73761B0DE88F46
140.7.1
ArchitectureScopeDownloadSHA256
x86DownloadE59A2BD9DF5F5394DB9E84EC238F334456E435CA295F047E3CB20F2D908A6EE6
x64DownloadE952AEE7C52D93EDB079D3ABEDF231AD159C71E5D2F76F8C23A831A30FC04C12
140.7.0
ArchitectureScopeDownloadSHA256
x86Download719A825639C39A89A815BCF674BC7EA4C5D5343213B3ED15F13D174F60D51E9B
x64DownloadF29329D44C405731E69AE4B76CCAEA75A6460347F9D45BABF9CA568455F90A03
140.6.0
ArchitectureScopeDownloadSHA256
x86Download7A91DAD2CB6D45DC581D324BD674244F98F5CF66BF3DCA5ED7893D17DCF15369
x64Download718B61D284EB3DDD29CA6DE597E7226F3F4DA1CEE0DDA4783DCBB89CC01D615F
140.5.0
ArchitectureScopeDownloadSHA256
x86Download5AC722716B21B3954B8E3B905534C65A2DF5386FDC66049AF377D676D8157829
x64Download5616B0B9D3508E5F25384F59493335C8756F1C895AD5142CEA4DDD3FB85C1FF8
140.4.0
ArchitectureScopeDownloadSHA256
x86Download1DDD7236E91E7F06E280318F0B8FB4BA08202540552CCA0DF894172448931C1D
x64Download75C03F3F672E105B402038D1B7CE3833142EDD8278512E9AA9603D3CDEF55089
140.3.1
ArchitectureScopeDownloadSHA256
x86DownloadDD3D0E6AD6D1C92A2A801529379E64BF55EA38318204F3C286F3EA80B908FE50
x64Download1AA85576C47965A91497123317133F9B2DAC4EC306BB7A18EF48D800990B34BC
140.3.0
ArchitectureScopeDownloadSHA256
x86Download22A0B735713FBFB64C73854976002302551C2266A5EEB66673B6E389E8FED00E
x64DownloadDE736888FD0D32B103B61C2B932F13CAE46C321EED734F9B9FD7230C731245AD
140.2.1
ArchitectureScopeDownloadSHA256
x86DownloadBCE166C200E836532C81D1A9DDB2545A798473B005AC2774DCE75761693EE779
x64Download0E59FF8741F81760738E02B86CB7A34052D96C31A17D9BE6CA574EBC055A84EB
140.2.0
ArchitectureScopeDownloadSHA256
x86DownloadE3D51C1C1C16E8638D0CAD62B32D61B478E9D9E361AA61406B84DB469A7F46A4
x64DownloadC1C314E04D598A753DAFD3D15525D5082E844FC608692018256A9370EE45B915
140.1.1
ArchitectureScopeDownloadSHA256
x86DownloadCC28E3795C22D7E5CC1A1AD5AEE37ED7FFF2FAE4D2CEED604009CC33C4BC05DD
x64DownloadE170C7D61CBC2DADADD4B48C2F38C5F25BCACF8B5D6FD0E0D168E2B8166B01BF
128.14.0
ArchitectureScopeDownloadSHA256
x86Download0EA1EF6DE8AB9D8F5D0555DECE4FDFDF7C62DE8F0D3AFB3A9DC4CE2329F7975D
x64Download9D50BA6B8C2944B294630EB203410CE982ADACBFE7A390530ED99A2C7D314018
128.13.0
ArchitectureScopeDownloadSHA256
x86Download4E8B317CC941C3EE995228FB4A935C18E33F0738CFC3382E09A726411B52A620
x64Download9EDF859098ACD2F5813A033A15667598188E272BE6C3E8575F3DE5FF65DFD4E7
128.12.0
ArchitectureScopeDownloadSHA256
x86DownloadC0CB96BCFBFAACF702FF98FAC2A1A13AA74D81FFABB9CAC01B7E06D8429F5E08
x64Download28B159B34C8B22118B0188EE7E7E86C2BD411F4939C8E31A77ABB7CE6B669B54
128.11.1
ArchitectureScopeDownloadSHA256
x86Download3780A5D111A81BBD437D445B21D37BA2E1316125F8C0D5D45B249CDCE204CB2C
x64Download3E4B9DA36685EB54D41C789220021CF4AC4BC07E8A0B39A3F386A0E720E0CE7C
128.11.0
ArchitectureScopeDownloadSHA256
x86DownloadA81A94B49A894A66716F630B39EF28645403EAB1CD5A9E2A5B6BE1E96E305C0E
x64DownloadD954BD41AE119DF3382426C98D8418D21B7AD7EFE3B1F72059F56926AF3D4D27
128.10.2
ArchitectureScopeDownloadSHA256
x86Download60C1B6C08C6D61B0BECE1BA84BFDCD6CF36F65DFD66C932AD7102D95E55FE365
x64Download169DF0A7CBFBFB746AFF7E4B909EA5FD52638E62A010A4D807F71260C00B0168
128.10.1
ArchitectureScopeDownloadSHA256
x86DownloadE6BC8F6DAD4E4CD64E4686B00DFF0C73C35D0AFAAEC5165E460DD178E114482E
x64Download3340368B3E6F58D9DFC12C4D98D3E140A89E9ED3DF33F13A132FCD60C50346D4
128.10.0
ArchitectureScopeDownloadSHA256
x86Download4798E1DD9CBF0BB7DBA58A70D4BEA50B9FA0D2F267381D0C1081EA9F1B6659CA
x64Download94028313E98CDB0EE8CC73641FC6195A5F8B2E544B8BACB4DD943D290C91EFC1
128.9.2
ArchitectureScopeDownloadSHA256
x86DownloadB8A0A8711FD699BC992CFEAFD0C29D323B76249530792B249067EAAD2BBEDE7D
x64Download5D0792D2A09134A2D42EB076DDCCACF33F7734BC8245AE83D5C526C92D5E7D42
128.9.1
ArchitectureScopeDownloadSHA256
x86Download5758A0F3830AF08C93ADFA57FE3286053F097FA559E4EFF99F1B3962AA8A4D30
x64Download91891F1519A69FFC2F261AD5CBA9150D9A6EE404CA35B93F25528BFB6D0F8862
128.9.0
ArchitectureScopeDownloadSHA256
x86Download264D76306224671B50991122BAB1E2081F1D59A3BCD760E32B0E23B1307368CF
x64Download9584C6A5CABEC66153D2DD23DE2C424F75D358B56FE51F479A6680B0C5536767
128.8.0
ArchitectureScopeDownloadSHA256
x86Download9BAC4ACF17D8C5EC2EFAF04898F3952EAD38419B89A0063FE01487FD51B88E57
x64DownloadF2DBBFDFAB32991DC7C7E5D5120451634EB25DC9C889ADEE901044D9AF8B6F5E
128.7.1
ArchitectureScopeDownloadSHA256
x86Download4E4166F2B9BFFCC051DDDE0A9EFC2FF9A1609C4B370D757E9423BE90C92BC318
x64Download486A4263C672CBBE46936854482FB7AE47E3491CDC143B6022FCB03EA99CE342
128.7.0
ArchitectureScopeDownloadSHA256
x86DownloadDF6B3131E375D3AB491E0669D6DD7DA0471F27E0A176A72E8153E959A8E7299E
x64Download47642DB2298B81DDC9C78C78E2DE81E60B63CEF5BD7F36B11DB022AF1E6E08A3
128.6.0
ArchitectureScopeDownloadSHA256
x86Download3BA2D4B16B1E56B638BE890AB0C3E3F2D7A03EEEF1D3A8199AE031E193A3370F
x64Download21B7836A191E29BF3E5D473E805E2D46A5F7373D2EB01F484A8ED8662ECCA290
128.5.2
ArchitectureScopeDownloadSHA256
x86Download8E52562AD9B118832CE1C05825AE6B04CFE3942703A68685380CB7EF976DAA5A
x64Download0463556B9C13F9D1B2793D431C41CF466F5F19CCF79E2F046225383B832693B7
128.5.1
ArchitectureScopeDownloadSHA256
x86Download426601D7B63E5B8CABC6D5F4996D4E93CA3F710A5ECE38324E52D583A93BDB8C
x64DownloadE9BF143AD6CF203056FB592268D382A92A58E9518181B8F4C72D88D4D84FA577
128.5.0
ArchitectureScopeDownloadSHA256
x86Download458E18F3A7FE77FFF4F3C7C956592C98C87F201D3713CE1E6CB750064097E190
x64Download490202F08CD8485A6C44B0013214944D390C719E44CEFA17BB92EFC9DF8225F5
128.4.4
ArchitectureScopeDownloadSHA256
x86DownloadCBED78A68C04C229CABBFE153E501E8AF486FCBCEC91C45F3F73D81482EBF41F
x64Download04EB17F31D6E9CF6EE91C843BDBCD097567BDD5C484E294788AE7783B6AFC4AE
128.4.3
ArchitectureScopeDownloadSHA256
x86DownloadC2455BFE3FCF99D2AA29C4F8F810BF38D83B2CE0633536C88B11052011AAFE2A
x64Download79BDDDD17F85D8EEF8B74644FF900FE4478B9CB80D37D30B396CD76C3361EE1F
128.4.2
ArchitectureScopeDownloadSHA256
x86Download25DB819001DF05BA6920B9DC6BCE7E5EB497E8EBE1572E9235A487E05041481D
x64DownloadC110E07B51EE7D62E5CF6480B57F413632BC11B5A60BDFDE173BBEC11AE40C3A
128.4.1
ArchitectureScopeDownloadSHA256
x86DownloadE9218D7F1330B9BE1935FD181F1C3C111C030EA04927D1B9CED289851C82BC1B
x64Download1B2C30D861C7C99E976BF882F469806D90986E560D380ED7A61981D96D455350
128.4.0
ArchitectureScopeDownloadSHA256
x86Download75796DDA2834E0252F6D71488A02F51AEE7CAEF41E22FA62458BEDCBEA2975C4
x64DownloadC01932674BB1349C840A9A85699485B6EFDCC2DB1F6FD208401B69DE9D59D06E
128.3.3
ArchitectureScopeDownloadSHA256
x86Download9791388E0DAEA55A4B9BCB59D385F2BD44336E92A6A46CC61C2D38A048C06855
x64Download81C1B01DE7F8C1BAEFA4F8D2440CB9A3E14FF916BDE020569F00FC508B8580DB
128.3.2
ArchitectureScopeDownloadSHA256
x86Download99413157D594B672E3D50585ED54827E4A0F5F419807C1A165B5197FF0525D1C
x64DownloadD93340E1418980F08855B736C45E6F92CCE3D66D86F4AB1CEB36767B5685D1C2
128.3.1
ArchitectureScopeDownloadSHA256
x86Download495906A9C676D6AA5E16A580122C11783066B35E49104DBD4130C7FE3C64B8C1
x64Download62E2D9898E863019F9209C5903E55157CBB904528AA7150FC6CE642BAD488C45
128.3.0
ArchitectureScopeDownloadSHA256
x86DownloadBCE1A17CE5B7E224A25C2D3E8D98F02527CE7ED8EE6CAEDC56D77F97FB5C5B48
x64Download81C80FE3D8BC9E16A9FA3496B2ACAC1DAE8F4D3CB8D5A5B5DD083A2DDB245B84
128.2.3
ArchitectureScopeDownloadSHA256
x86Download2D446B9C642013677F8395CA1118C265A9AC68A1A586FB2B0D6F3ED79903036A
x64DownloadB0C20801D7722ADE5CF29AF372C0D539D0F34CE66FA064F50316A4BF2002973B
128.2.2
ArchitectureScopeDownloadSHA256
x86Download41F919626A258D45F749D782407D2405205F643AD807FB19C860F48FB185A12A
x64DownloadC7313C3AC5FB2E25C99694E76901950D8325487676F71AD8F2441599B5828E1F
128.2.1
ArchitectureScopeDownloadSHA256
x86DownloadB74E0CE8F04B3D958CB86A1F021F5FB1979E33F8BC89532A24904A0DCCA7DE27
x64Download0471DC73F805CF8CE885A50D6356ED69EBD766A829036E6281AA431006282767
128.2.0
ArchitectureScopeDownloadSHA256
x86Download11DF5467A38D317EE8B54EFE53C5F7AE8F604E48651B1C4179C049A2AC14402A
x64Download7D0B63434C1CF9C1DF019D2FC9BEC8E938CB02D454FC610863113CFC6CD430C2
128.1.1
ArchitectureScopeDownloadSHA256
x86Download9EC146DD6FB77BF4CADA2078AEEF7DE38616B463AE3F099F155096814E1DA3DA
x64DownloadCB80EC27E353B03489833E3340E9CF21A6FE44614AEB1F3B970D03B59E76FB2B
128.1.0
ArchitectureScopeDownloadSHA256
x86Download48084FA0BD2F7C7C92CE0D30C8EC30993E4CD13A3C5CD6FBF82CD68634DDB94A
x64Download6CCCC39EE8267ED4169857DCEEBCF41E7C2DCFC4E7E155259316A2421F8398CB