Delimited can open documents in CSV and TSV format. You can save a table in either format, regardless of how the file was opened.

1. In the Delimited app on your Mac, choose File → Open.

2. Select the document, then click Open.
   

   Tip: By default, Delimited attempts to infer the presence of a header row by reading a metadata tag it adds to previously opened documents. If no metadata is found, it assumes a header is present. To override this behaviour, use the Header toggle to specify how Delimited should interpret the first line of your file: set it to on if the file includes a header row, off if it does not includes a header row, or back to mixed to restore the default inference behavior. After setting the Header toggle, click Open.

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