How to calculate absolute week numbers, Excel week numbers and ISO week numbers (with Formula and VBA). Links to other ISO 8601 related materials.
Covers possible bad news and poor prospects for Excel.
VBA code, Excel functions and formulas, Excel Databases
Alan Barasch's guide to Microsoft Excel. A collection of macros, formulas, and links.
Excel macros and usage notes to help beginners and fairly advanced users.
Official Excel home page, part of the Microsoft Office Suite.
Information regarding the use of Excel by Microsoft, and the recovery of lost files.