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Excel Cleansing Guides

Practical, opinionated guides for cleaning real-world Excel files — the messy ones that come out of accounting software, ERP exports, shared workbooks, and PDF roundtrips. Every guide ends with how to do the same thing in one click using the tool above.

Merged Cells·5 min read

The Ultimate Guide to Unmerging Cells without Losing Data

Why Excel leaves blank rows when you unmerge cells, the standard 10-step "Go To Special > Blanks" workaround, and the one-click way to skip all of it.

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Pivot Tables·6 min read

Fix the "Merged Cells Need to Be the Same Size" Error

Why Excel refuses to sort, filter, or build a Pivot Table on data that looks clean — and how exports from accounting software hide merged cells you can't even see.

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Data Validation·5 min read

How to Create a Drop-Down List in Excel (Step-by-Step Guide)

Set up Data Validation dropdowns in four steps, plus the source-data cleanup that decides whether your list works or shows phantom duplicates.

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