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.WB3 File Extension

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File TypeCorel Quattro Pro 7 and 8 File

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Rare Uncommon Average Common Very Common
CategoryData Files


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.

More Information

Microsoft Excel 2003 can convert WB3 spreadsheets into .XLS and .XLSX files if the Quattro Pro file converter is installed. However, Excel 2007 and later no longer support WB3 files.

NOTE: The WB3 file extension is used by Quattro Pro 7 and 8.

Programs that open WB3 files
Corel Quattro Pro X7
Microsoft Excel 2016
Updated 5/16/2012

FileInfo - The File Extensions Database

This page contains information about the .WB3 extension and its known file associations. Our goal is to help you understand what a WB3 file is and how to open it.

The Corel Quattro Pro 7 and 8 file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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