Hyperlinking - Hyperlinks can be assigned to any spreadsheet cell picture, or button. They also can be created for Internet locations, spreadsheet ranges, or objects and other files.
HTML Features - 1-2-3 Millennium Edition includes HTML 3.2 support for opening and converting spreadsheet ranges to HTML documents. Spreadsheet-specific extensions allow 1-2-3 users to share files using HTML as a common file format while preserving important spreadsheet information such as cell colors, formats, actual numbers (e.g. p = 3.14159265, not 3.14), named ranges and number formatting. Lotus 1-2-3 also offers native HTML support with XML support
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Publishing Assistant - 1-2-3 Millennium Edition helps users select an entire workbook, a particular page, or a selected range for Web output. The Publishing Assistant also provides options for adding a link to the original file for other users to download.
HTML on Clipboard - This feature selects data from browsers or Notes Release 5 and pastes it into 1-2-3 as a parsed HTML table.