Download Letter Opener Pro for OS X Mail


For OS X El Capitan 10.11 Public Beta you need to download version 8 of Letter Opener Pro.

Version: 8.0 Beta 4 released on: Aug 25, 2015

Download Version 8.0 Beta 4

The current version requires OS X 10.9 Mavericks or later, but you can download the last compatible version of Letter Opener Pro.

Download Version 6.0.7

Upgrade to OS X Yosemite for free.

Visit the OS X Yosemite page on the Mac App Store. Click the download button, and follow the onscreen instructions to begin your upgrade.

Version: 7.0.4 released on: Aug 19, 2015
Compatible: OS X Yosemite (Mail 8.2) and OS X Mavericks

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Older Versions:

OS X Version 7 Version 6 Version 5 Version 4 Version 3
10.10 Yosemite Intel
10.9 Mavericks Intel Intel
10.8 Mountain Lion Intel Intel
10.7 Lion Intel Intel Intel
10.6 Snow Leopard Intel Intel Intel Intel & PPC
10.5 Leopard Intel Intel & PPC
10.4 Tiger Intel & PPC
Download 6.0.7 Download 5.1.2 Download 4.0.5 Download 3.0.9

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Double-click the Letter Opener Installer in Downloads


Follow the Installers instructions


Open OS X Mail application