.WB3 File Extension
File TypeCorel Quattro Pro 7 and 8 File
This file is saved in a binary format, which requires a specific program to read its contents.
File created by Quattro Pro, a spreadsheet program included with Corel WordPerfect Office; contains data, charts, calculations, and scripts in a grid of spreadsheet cells; typically used for common business tasks or in personal finance.
NOTE: The WB3 file extension is used by Quattro Pro 7 and 8.