Windows 10 已于2025年10月14日停止支持。如果您正在使用 Windows 10,参见 这篇文章。

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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PopUp messages

samred64

I use Outlook.live.com Hotmail and recently a PopUp Message appears asking me to:

Add outlook.live.com as an application for mailto links.
Microsoft Customer Service said it was not something they initiated and likely a Firefox issue.
It does not seem safe to click on a random link like this without any explanation. Each time I log in, the same message appears.
Could someone please explain what this is for and how I can stop it from popping up each time I log into Hotmail?
I use Outlook.live.com Hotmail and recently a PopUp Message appears asking me to: '''Add outlook.live.com as an application for mailto links.''' Microsoft Customer Service said it was not something they initiated and likely a Firefox issue. It does not seem safe to click on a random link like this without any explanation. Each time I log in, the same message appears. Could someone please explain what this is for and how I can stop it from popping up each time I log into Hotmail?

所有回复 (1)

It only adds the Outlook website as an option for opening mailto links, click "Add Application" and it will stop prompting. You can still choose how to open mailto links in the Applications list in settings. If you don't want to ever handle mailto links, you can change network.protocol-handler.external.mailto to false in about:config.