Encoding newlines in iCal files

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OK, looks like I’m answering my own question.

The correct way to do it is to use “\n” for line breaks. Outlook did not recognize this because I had “ENCODING=quoted-printable” on the description. Once I removed that, Outlook displayed the new lines correctly.

Also, to get the file to open correctly in Apple iCal, you need to use “VERSION:2.0” for the file version. If you use “VERSION:1.0”, it will tell you it can’t read the file (even though it conforms to the 1.0 spec).

NOTE: As others have mentioned, the file actually has to contain the literal string \n. Since most languages treat that as an escape sequence meaning a newline character, you probably need to use the string \\n in your code.

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