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Download Letter Opener for macOS Mail

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The current version requires macOS 10.10 Yosemite or later, but you can download the last compatible version of Letter Opener for macOS Mail.

Download 7.0.5

Upgrade to macOS Sierra for free.

Visit the macOS Sierra page in the Mac App Store. Click the download button, and follow the onscreen instructions to begin your upgrade.

The current version requires macOS 10.10 Yosemite or later, but you can download the last compatible version of Letter Opener for macOS Mail.

Download 6.0.7

Upgrade to macOS Sierra for free.

Visit the macOS Sierra page in the Mac App Store. Click the download button, and follow the onscreen instructions to begin your upgrade.

Version: 12.0.6 released on: Sep 7, 2020
Compatible: macOS Catalina (Mail 13.0), macOS Mojave (Mail 12.0), macOS High Sierra (Mail 11.0), and macOS Sierra (Mail 10.3)

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Download older versions of Letter Opener

Older Versions

macOS		Version 11	Version 10	Version 9	Version 8	Version 7
10.14	Mojave	Intel
10.13	High Sierra	Intel	Intel
10.12	Sierra	Intel	Intel	Intel
10.11	El Capitan	Intel	Intel	Intel	Intel
10.10	Yosemite		Intel	Intel	Intel	Intel
10.9	Mavericks					Intel
			Download 10.0.1	Download 9.1.9	Download 8.0.8	Download 7.0.5