If you have Microsoft Excel running on Windows, it is recommended to download and use TabHelper, which provides a richer editing environment with dynamic formatting hints.
For other users who are not running Windows and Microsoft Excel, you can use this online javascript converter to convert TabHelper spreadsheet content to TAB output. This approach can be used with other spreadsheet editors, such as Gnumeric, Open Office, or for Microsoft Excel running on a Macintosh.
Usage:
Pasted content:
TAB output