diff --git a/manifests/Mozilla/Thunderbird/78.0.yaml b/manifests/Mozilla/Thunderbird/78.0.yaml
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index 000000000..bd3f959de
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+++ b/manifests/Mozilla/Thunderbird/78.0.yaml
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+Id: Mozilla.Thunderbird
+Version: 78.0
+Name: Thunderbird
+Publisher: Mozilla
+License: Mozilla Public License Version 2.0
+LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
+AppMoniker: thunderbird
+Tags: thunderbird, email, E-mail
+Description: Thunderbird is a free email application that’s easy to set up and customize!
+Homepage: https://www.thunderbird.net
+Installers:
+  - Arch: x64
+    Url: https://archive.mozilla.org/pub/thunderbird/releases/78.0/win64/en-US/Thunderbird%20Setup%2078.0.msi
+    Sha256: FF3CAE374DF7ECB266C609F70931AF2267E74CF1CB2C52EC1BBB0272919F06E0
+    InstallerType: msi
+