Decide for Excel.

Use Decide to edit workbooks, repair formulas, clean data, build models, and turn repetitive spreadsheet tasks into a few clear instructions.

Trusted by thousands of professionals, including users at

The new way to work in Excel.

Purpose-built for deterministic spreadsheet editing, with 91.7% strict workbook accuracy on our frozen benchmark.

Run parallel tasks in separate tabs on the same workbook to compare results or audit another task.

Save a workflow once, then run it again from any task when the same work comes around.

Save your preferences and working context so Decide can apply them to future tasks.