Learn how to deduplicate across multiple worksheets, supporting multi-column combinations and smart strategies, handling millions of records.
SheetCleaner Team
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Comprehensive guide to Excel deduplication retention rules: keep first, keep latest, keep max value, multi-tier rules. Provides SheetCleaner, Power Query, and Excel 365 formula implementations with complete examples and best practices.
Professional guide for multi-channel customer list merging: unify field formats, intelligent deduplication, keep latest records. Suitable for form collection, offline events, social media promotion and other multi-source customer data integration with scoring and source tracking.
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Comprehensive guide to Excel deduplication retention rules: keep first, keep latest, keep max value, multi-tier rules. Provides SheetCleaner, Power Query, and Excel 365 formula implementations with complete examples and best practices.
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.
