Learn a skill. Put it to work.
Follow a course, or pick one skill to practice.
1–12 of 36 exercises
Cells & formats
Enter formulas and make a worksheet readable.
Organize a workbook
Rename, copy and arrange connected sheets.
Open & save an XLSX
Edit a local file, save it and reopen your changes.
Select & fill
Fill numbers and dates across a working schedule.
Rows & columns
Change a worksheet while keeping formulas linked.
Move sheets safely
Copy connected sheets into another workbook.
Remove blank rows
Preview the rows to remove and keep every real record.
Fill from examples
Find a text pattern and test it on unseen records.
Find & replace
Preview matches before changing your worksheet.
Check formula errors
Review warnings and choose the right repair.
Trace a broken formula
Follow its sources, fix the cause and check again.
Connect worksheets
Build formulas that use records from another sheet.