Information about .wk4 File Extension

Common .wk4 file type descriptions:

• 1-2-3 Worksheet
• 1-2-3 Arbeitsmappe
• 1-2-3 Werkblad
• 1-2-3 Arbeitsblatt

Applications, associated with .wk4 files

	Lotus 1-2-3 Application by Lotus Development Corporation
	Microsoft Office Excel by Microsoft Corporation