Do your Excel spreadsheets move slower than a rush hour traffic jam? It’s time for a serious tune-up, as such behavior can ...

When your Microsoft Excel spreadsheet slows to a crawl, you can’t help but notice. It may take longer to open and save your files, longer for Excel to calculate your formulas, and longer for the ...

Martin Heller is a contributing writer at InfoWorld. Formerly a web and Windows programming consultant, he developed databases, software, and websites from his office in Andover, Massachusetts, from ...