diff --git a/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.installer.yaml b/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.installer.yaml
new file mode 100644
index 000000000..4e953e658
--- /dev/null
+++ b/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.installer.yaml
@@ -0,0 +1,544 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.installer.1.0.0.schema.json
+PackageIdentifier: Mozilla.Thunderbird
+PackageVersion: 78.1.1
+MinimumOSVersion: 10.0.0.0
+FileExtensions:
+  - csv
+  - eml
+  - ldif
+  - xpi
+InstallModes:
+  - interactive
+  - silent
+  - silentWithProgress
+Installers:
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/en-US/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 13CEE5D3523E1103D7821DFBD6ED8509A18C21D8369F980E844F9EEC5995A65F
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: en-US
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/af/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: A07F8C8C884DABCB1693FBF64119F254DF064F34E29E77E5AE8DF0C7D4826C48
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: af
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ar/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: BFF865DA9D377EF4C816D8809EC93AF642963E1F567794E712814FC3CABBF67D
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ar
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ast/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: B6F10A0ED6D0F51ED2023121A7D1D5C4470938BB0A84E73C5D08483C30ABC1FE
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ast
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/be/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: B745F8909A87A8D7DE460956DDBCE055A2A247A665A89F50C89857759EC22A3A
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: be
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/bg/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: EEFCE9B2CF3251202519194F92F89CE9AFB51A93B6F6918CAB82C1ACB181564F
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: bg
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/br/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 55E0114A7E6B04B7479A1EC960830915409E5F7C3B25B95A2808D46B650D2F54
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: br
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ca/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 393DA067ACAE7BD4F945DD1B60EF6FB39578666F0843B24F0492E3F15ECEDA97
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ca
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/cak/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: E2D595A81092C78C4F9BE38A19D6BBDF21AC08293BA8F64C533377D7DA32E048
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: cak
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/cs/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 72B176C46C5A6EDA63A4694619C07621CF3DE1132A28537A416B2A9AA001F7AD
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: cs
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/cy/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: B7E29D2EE24F38B2CE98954D80A9233DF8B84F17268A86734F5BD4E21B0C1612
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: cy
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/da/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 54A2E98E60126FFD7FBE173575924F5FCD3AE7904D80B100D8A757EEB633EF24
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: da
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/de/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 636311C16B33605C354F0F362043F978FD812C2F817BECDDCEBB5ED86278B7EB
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: de
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/dsb/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 7420A2CBA24457CE75954BE8C5EAEDF73F7D250F40BD1B38C7D1EAB75A8844EC
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: dsb
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/el/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: DC4CFA03F6809147EB29612537F26F8F31F5ACEA6C047FCB61CD606EC4BAED47
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: el
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/en-CA/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: B52D1D78D5EAB652D35BB97E992805B6E24E36A3424FEE34783174D48668E38A
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: en-CA
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/en-GB/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 033B3A418E676FEB65E607028AC710525509F469D703AF51D65E03220327307A
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: en-GB
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/es-AR/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 4FFB900633F6F64150A20774F4BFD175F4F88F30D0A06D7689EB12755901E5C1
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: es-AR
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/es-ES/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: EE1A10AB90BF958E6FB68F014AFCD2CABCE60DD5078B3C6B405B413F612F364D
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: es-ES
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/et/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: FF4EB4497C973289F134E3EC2C32415AB0EF23BBE76F2A2CEDFC7A4BD875C4E6
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: et
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/eu/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 6E80FBC96F6AD947971B9CF293CF27B891DF073D78DBB284B23F7A1C475B4EC3
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: eu
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/fa/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 0B45B642C56731CA57B19520CF7167E87B5A89EB83A6C8834F0F7E4CC4F02FB2
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: fa
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/fi/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: A856086E423E10EC377F51F72F6FC50ADD58C04A473AB3A007474741B690F34C
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: fi
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/fr/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: AE53CAE2C729B0F0542D09B06183A0A3CEDFC984C9A6BC4ECACA12D31C0EC190
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: fr
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/fy-NL/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: A76F31D3E524AD0076AE11BB9553062A00DD486B1D448F8A2A6AFB0CCCC929E0
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: fy-NL
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ga-IE/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 8A54AEB2FC2EFBCF3C2A0FBFC5107614A103CDD561EBBF68C73868750B27223F
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ga-IE
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/gd/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 2E02B07D1F1E63DD0A2EA884252FAE52F1DDBB4340C90D1AECDFBB1535DC0BB9
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: gd
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/gl/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 355A062F8D39BF6104B128D9C65B90707ECFA90EA97E8C8A7EC2F6EF83A38660
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: gl
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/he/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 79AD71A06919A0F69A29C4FCCDB48E548E387004372846F7A0049F185A491C1D
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: he
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/hr/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: DE629126223A049760AE631CD680960135D2D85AA96EFA9302C184C51AF4E68F
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: hr
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/hsb/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: C0FEC7D78F00696EC8359F81664D86E2F292C84030EEA8B286E2F16A5BFB2FFD
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: hsb
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/hu/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 155B9D86C0BF7D3D4DAFCA71242A481510F60B2C818CEE2C2735EE453AF8625E
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: hu
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/hy-AM/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 55D8EA1C33B4CAC32AA239D32964772B1024A4141E5761AF4765292EC4DCE0E4
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: hy-AM
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/id/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 123106040921CA47926449CA96C59E4A93FB1D6B37D504E4A311FCEFEA7E9958
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: id
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/is/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: DC1FF63A5A62A206DF037B16DC899517C96DE78A4B9D7A950CFAF98DE4BB032B
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: is
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/it/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 905E16B704DA67AD03CFC194C3B8A24D8EBD5EE3D0099084E763ACD200C9C702
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: it
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ja/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: CE4D7D324515A2A688FE331CA80BD26647D66E25B000E75BD44BAA1153D46716
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ja
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ka/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 902A9F813139D4FF00D27C1300CF1BAAC0B8CFDB36849AF37C04A0E1829E6AE9
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ka
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/kab/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 685F2211A5449C8FB69BC2C86C8628A3AD0708597D427D2BCE1559570D6AA567
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: kab
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/kk/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: A86D528B940F65D3B2BD0F3D4D3376F6F68A4B1329C7591644F823A635DF2AE0
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: kk
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ko/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: CBF3CB1F5FB214A89BDEAA9C79B0889A3EC523B2B0544758037C517EAC1F2181
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ko
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/lt/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: EECC8C2DAA860FE837A8DC42C9EE0215C64778773AA3AF18B40470DD7B5A5D8C
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: lt
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ms/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 1DFA129333214D1578FBEB6967B9005A28A3AA8917DDECD4A503177535BCF297
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ms
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/nb-NO/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 4B921A42A0BB3F493F4EED4A5C617D14FDB268A587028B3FC0434FC9FA42C27F
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: nb-NO
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/nl/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 6F1B37563C1586D47AABD1C29CEA782BE917260BA148BE077F0B7AA7EF29A522
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: nl
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/nn-NO/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: F0BB05DD6B62D9446DC96E3C0F97E113B463F2F9EBA323F277D39E7B821E701C
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: nn-NO
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/pa-IN/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: C8E4EAD0DDC2D7A763B1E0AA6ABEA38EEC1E00450B46E74338059EB056D01C42
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: pa-IN
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/pl/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 06C210140640B8F676E3E6CD056DC4371CA0EA535B0E44A544C5B6205F100E72
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: pl
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/pt-BR/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 3F28237C8236414D436D9E4A81D2C5B003E519195EB5533F20566A33F3F36460
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: pt-BR
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/pt-PT/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 31D66C5DC70CFC63A587E0DB98C5C735630206FF722317A3B6FAA7538DFCD3D7
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: pt-PT
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/rm/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 627DFF997CAA4270CEC96C6CBB042F2CD9D5C73DB4A87A9BAA45827403D0CEC5
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: rm
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ro/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 0E50E92A4E66DC6CB45767F70C497384283DDAC24A5208729FACA70870BC4EE3
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ro
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/ru/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 396DFE72B5BB6A9DA71D73D50E4B3ABA1E6A1036771F4EE4EB42C184A9448E6F
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: ru
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/si/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 97D813D42035E4E485F7CF7B536268F740374C50FF37C006F755F4AB7393EB57
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: si
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/sk/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: EBE62B8A602CF4B21FED6664DD659CD3B6BA4144A40D06B402016531D1E9B3F2
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: sk
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/sl/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: FA7399CAC66BEEE03A2A022ED6DC7D6903B83C4FE2DC205D840DF974FD5B4759
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: sl
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/sq/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 2ECC03B0D4935B70399196FF7F7EB402E861E64207C58FA43B1D443A472E47B1
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: sq
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/sr/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 45405C4C9DE3818E47CC167F112FC7BFC61AFBFF658181751215741F66838563
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: sr
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/sv-SE/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 2B83328D19EA97CB814972A7BAE8DA16584BB9FED3E0DAE45B3F44CC284A2688
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: sv-SE
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/th/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: A162710D5EF4E935513B9E89D9A5FD640DC18F54A3AAA24DC9D80A9365DADF7F
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: th
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/tr/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: B31862C63D4C2598BACBE1C254A47A559221F431B1C1D32CDD1B05019958E563
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: tr
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/uk/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: ACE2BF95FC46733615487F8137F31FCD45440F73BFCA2EE49AFE2D25007B4C8B
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: uk
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/uz/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 277F88495D09125589A2E287D111EF097C7857452FD4911925D31B5B1A1816F1
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: uz
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/vi/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 608187823E90D3E79126BCEB2DA004E62A4723020D6F1ACAF846B8044ECED8D8
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: vi
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/zh-CN/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 87D487745333B6A0DC5BB37D73A83858F7962668519700A882D9D8EED7D1EDF2
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: zh-CN
+    UpgradeBehavior: install
+  - Architecture: x64
+    InstallerType: msi
+    InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/zh-TW/Thunderbird%20Setup%2078.1.1.msi
+    InstallerSha256: 60216E175B1FDC0F2CCDD76362A55B3AAA44B4BBE52725257B91A803612B349E
+    #ProductCode: 
+    Scope: machine
+    InstallerLocale: zh-TW
+    UpgradeBehavior: install
+ManifestType: installer
+ManifestVersion: 1.0.0
diff --git a/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.locale.en-US.yaml b/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.locale.en-US.yaml
new file mode 100644
index 000000000..07dfad063
--- /dev/null
+++ b/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.locale.en-US.yaml
@@ -0,0 +1,24 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.defaultlocale.1.0.0.schema.json
+PackageIdentifier: Mozilla.Thunderbird
+PackageVersion: 78.1.1
+PackageLocale: en-US
+Publisher: Mozilla Foundation
+PublisherUrl: https://www.mozilla.org
+PublisherSupportUrl: https://support.mozilla.org
+PrivacyUrl: https://www.mozilla.org/en-US/privacy/thunderbird/
+Author: Mozilla Foundation
+PackageName: Thunderbird
+PackageUrl: https://www.thunderbird.net
+License: Mozilla Public License Version 2.0
+LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
+#Copyright: 
+CopyrightUrl: https://www.mozilla.org/en-US/foundation/trademarks/policy
+ShortDescription: Thunderbird is a free email application thats easy to set up and customize!
+#Description: 
+Moniker: thunderbird
+Tags:
+  - mail
+  - email
+  - email client
+ManifestType: defaultLocale
+ManifestVersion: 1.0.0
diff --git a/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.yaml b/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.yaml
index b8cdfbaa8..281a6a7b8 100644
--- a/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.yaml
+++ b/manifests/m/Mozilla/Thunderbird/78.1.1/Mozilla.Thunderbird.yaml
@@ -1,26 +1,6 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.version.1.0.0.schema.json
 PackageIdentifier: Mozilla.Thunderbird
 PackageVersion: 78.1.1
-PackageName: Thunderbird
-Publisher: Mozilla
-Moniker: thunderbird
-Tags:
-- thunderbird
-- email
-- eMail
-- E-mail
-- email Client
-ShortDescription: Thunderbird is a free email application that’s easy to set up and customize!
-PackageUrl: https://www.thunderbird.net
-License: Mozilla Public License Version 2.0
-LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
-Installers:
-- Architecture: x64
-  InstallerUrl: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.1.1/win64/en-US/Thunderbird%20Setup%2078.1.1.msi
-  InstallerSha256: 13CEE5D3523E1103D7821DFBD6ED8509A18C21D8369F980E844F9EEC5995A65F
-  InstallerType: msi
-  InstallerLocale: en-US
-  InstallerSwitches:
-    Custom: /norestart
-PackageLocale: en-US
-ManifestType: singleton
+DefaultLocale: en-US
+ManifestType: version
 ManifestVersion: 1.0.0