Quickly add new sheets to your existing Excel workbooks. Ideal for organizing your data by month, project or category.
Drag & drop your Excel files here or click to browse
XLSX, XLS, CSV · 100 MB max par fichier
Supported formats
How it works
Upload your Excel file
Add and name your new sheets
Download the updated file
Privacy guaranteed
100% local processing. Your files never leave your device.
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Learn how to use our tools with our detailed guides.
Add an Excel sheet for email: prepare the workbook for its final use and check the result before you send, import, print, or archive it.
Add an Excel sheet without software: prepare the workbook for its final use and check the result before you send, import, print, or archive it.
Add an Excel sheet on mobile: prepare the workbook for its final use and check the result before you send, import, print, or archive it.