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Start with the sample workbook or upload your own H4R workbook.

Illustrative planning estimates, calibrated to the Somalia worked example. These are not validated forecasts or measured savings.

Saved scenarios and backups

Changes are saved in this browser. Named scenarios include their source workbook. Download a backup to move or retain your work elsewhere.

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Workbook Upload

Upload h4r_simulation_dataset.xlsx, validate sheets and columns, and load records — or continue with the bundled Somalia sample.

Upload workbook

Drag and drop your .xlsx file, or browse. The 13 canonical sheets are validated against the H4R schema.

Drop your workbook here or click to browse

One country and one active appeal · .xlsx · maximum 5 MB

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Explore the platform with the bundled dataset, or download the template to fill in your own figures.

The sample reproduces the Somalia Drought 2026 worked example and round-trips through the same parser as an upload.