Corel Quattro Pro 2 (.wb2)
The WB2 file extension is associated with Corel Quattro Pro, a spreadsheet program part of the Corel WordPerfect Office suite. It stands for "Corel Quattro Pro 2". WB2 files contain spreadsheet data, charts, calculations, and scripts, and are used for personal finance or office-related tasks. Introduced by Corel, this format replaced the older WB1 extension and can be converted to Microsoft Excel formats.