Excel data cleaning reference
Try selected public learning objectives through original work tasks.
Reference: Microsoft Support. Checked 2026-10-04.
Four selected data-cleaning skills; not a complete Excel course.
These are original lessons, synthetic datasets and assessments. Skill Workbench is independent of the source provider.
Objective coverage
Import and inspect tabular data
selected practice
Import without losing data →Handle blanks
selected practice
Handle missing values →Remove duplicates
selected practice
Deduplicate by a business key →Clean text and dates
selected practice
Standardize dates and whitespace →Public objectives summarized. No source lessons, paid exercises or media reproduced.
Start the original mini-course →