This Google Sheets formula trick saves hours of frustration.
When your formulas throw errors like #DIV/0! or #REF!, your data becomes useless.
The solution is simple. Add IFERROR before your formula.
Instead of =your formula, write =IFERROR(your formula, "")
The two quotation marks tell Sheets to make error cells blank instead of showing ugly error codes.
Now when you pull down the formula, errors become clean blank cells.
Your data becomes actually usable. Filter it, sort it, run other formulas on it.
This one change transforms messy error-filled sheets into clean, working data.
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