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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: 10.0.1 released on: Oct 3, 2017
Compatible: macOS High Sierra (Mail 11.0), macOS Sierra (Mail 10.3), OS X El Capitan (Mail 9.3) and OS X Yosemite

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Download older versions of Letter Opener

Older Versions

macOS		Version 10	Version 9	Version 8	Version 7	Version 6
10.13	High Sierra	Intel
10.12	Sierra	Intel	Intel
10.11	El Capitan	Intel	Intel	Intel
10.10	Yosemite	Intel	Intel	Intel	Intel
10.9	Mavericks				Intel	Intel
10.8	Mountain Lion					Intel
10.7	Lion					Intel
10.6	Snow Leopard					Intel
			Download 9.1.9	Download 8.0.8	Download 7.0.5	Download 6.0.7