ExcelForAll drills real spreadsheet skills in a live browser grid, grading the formula typed into each cell across 84 exercises covering ranges, logic, lookups and charts.

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ExcelForAll is a browser-based Excel trainer built on a working spreadsheet engine rather than video lessons. Its 84 exercises across 17 parts run from selecting a cell to SUM, IF logic, lookups, charts and practical data challenges. Answers are graded on the formula entered, so a hand-typed total in a SUM task is marked wrong.
Nineteen exercises open without an account; a free account unlocks 46 of 84 and syncs progress across machines. Lookup functions and later parts require a paid plan, while written guides stay free. The checker matches submissions against anticipated mistakes carrying pre-written explanations, releases hints one at a time and offers a worked answer.
Everything runs in the browser with no download. Most formulas and ranges carry over to Google Sheets and Apple Numbers, though shortcuts and menu labels differ. Finishing all 84 exercises yields a certificate with a public verification link, which the site frames as a practice record rather than an accredited or Microsoft-issued qualification. Individual tasks are stated to take two to eight minutes, roughly seven hours in total.