diff --git a/manifests/Mozilla/Thunderbird/78.8.0.yaml b/manifests/Mozilla/Thunderbird/78.8.0.yaml
new file mode 100644
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+Id: Mozilla.Thunderbird
+Version: 78.8.0
+Name: Thunderbird
+Publisher: Mozilla
+AppMoniker: thunderbird
+Tags: thunderbird, email, eMail, E-mail, email Client
+Description: Thunderbird is a free email application that’s easy to set up and customize!
+Homepage: https://www.thunderbird.net
+License: Mozilla Public License Version 2.0
+LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
+Installers:
+  - Arch: x64
+    Url: https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/78.8.0/win64/en-US/Thunderbird%20Setup%2078.8.0.msi
+    Sha256: C4F5E3896F2D7C3FD7FCCA3540F5C35E32511702812428B01E2DBC11883F6DD5
+    InstallerType: msi
+    Language: en-US