Last Updated: June 14, 2019


Outlook for Mac will not launch from the Outlook icon on the dock.

In this scenario, the user closes Outlook by selecting the red button in the top left corner. When they try to open Outlook from the Outlook icon on the dock, it won't launch.


The issue has been fixed in Outlook build 16.26 (19060901).

More Resources

Icon Experts (brain, gears)

Ask the experts

Connect with experts, discuss the latest Outlook news and best practices, and read our blog.

Outlook Tech Community

Icon Community

Get help in the community

Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users.

Outlook Forum on Answers

Icon feature request (light bulb, idea)

Suggest a new feature

We love reading your suggestions and feedback! Share your thoughts. We're listening.

Provide feedback

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!