Signs you are running out of space with the spreadsheet when Excel takes 20 minutes to refresh, runs out of memory, takes minutes to add a row, of when users start slicing data to make it fit, such as looking at a month rather than a quarter.

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In 1999 Johnson launched "Operation Excel, " shutting down 20 factories and selling the Weight Watchers business to better focus on foodstuffs--ketchups, condiments, sauces, canned tuna and jarred and frozen vegetables.

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Renfrewshire Council said its food suppliers were sourced through Scotland Excel, while North Lanarkshire Council said it disposed of 20 portions of Brakes lasagne last week after they were recalled by the catering firm.

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