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Excel concept

File types

xlsx has no macros, xlsm keeps them, xlsb is compact binary, csv is plain text with values only.

Very commonDifficulty 973 · Capable
Practice · 2 questions →

The shape of it

In practice

Save a master as xlsx or xlsm; export csv only for handoff.

Related

Error valuesRelative, absolute, and mixed referencesNumbers stored as textHow dates and times workExcel TablesChoosing a lookup function

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