[MSDN Library June 1998] XL: Can't Open Quattro Pro 6.0 Files (53.4523809523809%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Excel
[MSDN Library June 1998] XL: Cannot Open Quattro Pro for Windows File (45.4978354978355%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Excel
[MSDN Library June 1998] XL: Cannot Open Multiplan Files (43.0357142857143%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Excel
[MSDN Library June 1998] XL: Cannot Open Microsoft Works 3.0 or 4.0 Files (42.514880952381%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Excel
[MSDN Library June 1998] XL: Unable to Import a Quattro Pro or Symphony File (40.7072829131653%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Excel