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Asked: 2026-06-13T04:18:44+00:00

In my Windows 8 Store app, I have a Send Email button on a

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In my Windows 8 Store app, I have a Send Email button on a page and users are able to click it and send us an email for some general enquiries.

I need to pre-load some text in the email body but I can’t seem to add line breaks to it. I tried Environment.NewLine and "\r\n". None of them works.

var mailto = new Uri("mailto:?to=james.jones@example.com&subject=Hello world&body=Hi," + Environment.NewLine + "Can you please ..."); 
await Windows.System.Launcher.LaunchUriAsync(mailto);

When I run it, I get “Hi,Can you please…”. The line break is omitted.

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1 Answer

  1. Editorial Team

    Try using "%0d%0a" as your line break, as in

    "Hi,%0d%0aCan you please..."

    That’s a URL-encoded ASCII CR/LF sequence. That works for me for the built-in Mail app but you don’t have any particular guarantee that it would work for any arbitrary mail app that the user might install in the future.

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