The tendency of spreadsheets, most notably Excel, to convert phone numbers to integers (or worse, a generic number form that it then saves in floating-point rep

The tendency of spreadsheets, most notably Excel, to convert phone numbers to integers (or worse, a generic number form that it then saves in floating-point representation) has infuriated everyone that ever exported a telephone field. Yes, there are ways to trick Excel into interpreting the value as a string. None of them are foolproof.