Support – Letter Opener for macOS

All the topics, resources, and contact options you need for Letter Opener.

Basics


Getting Started

How to get Letter Opener for macOS and how to use it.

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Purchase Information

Find and manage in-app purchases.

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Setting up Letter Opener

Change where the files open

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Troubleshoot Topics


Double-clicking doesn’t open the file in Letter Opener.

Set Letter Opener as standard app to open a file-type.

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No attachments are shown

The opened winmail.dat file only shows text and no attachments.

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Letter Opener can’t open a file.

Contact us if a problem with opening files persists.

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The application can’t be opened because it may be damaged or incomplete.

How to repair a damaged application.

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Invalid license code

There might be two different apps installed.

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Contact Support

How can we help you?

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