Letter Opener
brew install --cask letter-opener
v16.0.7
Display winmail.dat files directly in Mail.app
4
30-day installs · #5869
15
90-day · #5321
76
365-day · #4934
Links
- https://winmail.help/
- Brew formula source: Casks/l/letter-opener.rb
Raw metadata
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"~/Library/Application Support/app.letteropener.agent",
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"~/Library/Containers/com.restoroot.Letter-Opener",
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"~/Library/Group Containers/2WB96AW889.app.letteropener",
"~/Library/HTTPStorages/app.letteropener.agent",
"~/Library/HTTPStorages/app.letteropener.softwareupdate",
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"desc": "Display winmail.dat files directly in Mail.app",
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"enrichment_fetched_at": "2026-06-20T22:45:47+00:00",
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"homepage": "https://winmail.help/",
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"homepage_title": "Letter Opener \u2013 Open winmail.dat files",
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