Spreadsheet Weekly

Free weekly newsletter for people who use Excel at work

Fix one real Excel problem every week.

Lookup errors, messy CSV exports, monthly reports you rebuild by hand. Each issue takes one problem from your workday and fixes it step by step, with a practice file to try it on.

Why does XLOOKUP return #N/A?
AB
1Invoice IDAmount
210482860.50
3'10483 #N/A
4104841,240.00
=XLOOKUP(TRIM(A3)*1, Data[ID], Data[Amount])
Row 3 is text with a trailing space. The fix is one function away.

One problem per issue

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Practice files included

Download a workbook with sample data and try the fix there before touching your own files.

Recent

Free practice files

XLOOKUP #N/A practice workbook

10 messy payment IDs, diagnostics and the fixed formula.

Download .xlsx →

Messy CSV + repair workbook

A UK-format export with dates, ZIP codes and long IDs that Excel breaks, plus repair formulas.

Download .xlsx →

SUMIFS troubleshooting workbook

Broken and fixed date-range SUMIFS side by side, with hidden spaces in the data.

Download .xlsx →

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