Getting Started
How to get Letter Opener for macOS and how to use it.
Support – Letter Opener For Macos
Find help articles and troubleshooting guides for Letter Opener For Macos.
Basics
Purchase Information
Find and manage in-app purchases.
Setting up Letter Opener
Change your Letter Opener preferences.
Troubleshoot
Double-clicking doesn’t open the file in Letter Opener
Set Letter Opener as standard app to open a file-type.
No attachments are shown
The opened winmail.dat file only shows text and no attachments.
Letter Opener can’t open a file
Contact us if a problem with opening files persists.
The application can’t be opened because it may be damaged or incomplete.
How to repair a damaged application
Invalid license code
There might be two different apps installed.
Still need help? Contact our support team.
support@winmail.help