Excel & Data Cleanup Tips

Short, practical guides for cleaner spreadsheets and more reliable data.

• How to Remove Duplicates in Excel Without Losing Data (7 Steps)

  A safe 7-step routine for removing duplicates in Excel: define the duplicate rule, clean keys with TRIM, flag with COUNTIFS, keep a review tab, and verify counts.

• PDF to Excel: 6 Checks Before You Trust the Numbers

  Converted a PDF table to Excel? Run these 6 quick checks for text-numbers, negatives, dates, stray headers, totals, and OCR errors before using the data.