SYLK: File format is not valid

You can see the above message on attempting to open a CSV file in Microsft Excel. The cause is having “ID” as the very first characters in the file (case is important)┬ábecause that causes a file type misidentification and CSV does not fit the application’s expectations for an SYLK format, an early spreadsheet file type used by Microsoft. More can be found here: http://support.microsoft.com/kb/323626.

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