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Standardization
2 tutorials grouped around Standardization, so readers can continue by topic.
operations
Remove Duplicate Phone Numbers in Excel: 3 Methods
Remove duplicate phone numbers in Excel using a helper formula, Power Query, or SheetCleaner. Standardize country codes first, then keep the newest record.
12 min readAug 18, 2025
advanced
Excel Fuzzy Deduplication: Standardization Strategy Checklist, Fuzzy Merge Parameters, Formula & M Code Templates
Find and correctly merge records that look different but are actually the same—covering case, whitespace, symbols, full/half-width, email aliases, phone country codes, approximate spelling, etc.
15 min readAug 18, 2025