Consolidate Spreadsheets with Merge Excel Files

Consolidating quarterly reports, monthly sales sheets, or data exports from different departments often means hours of manual copying and pasting. The **Merge Excel Files** utility automates spreadsheet combination safely in your browser. ### Versatile Merge Modes - **Combine into One Sheet**: Stack rows from multiple identical sheets into one unified master table with automatic header detection. - **Multi-Tab Workbook**: Preserve each uploaded file as its own named tab in a single master `.xlsx` workbook. - **CSV & XLSX Support**: Seamlessly mix and match Excel workbooks and comma-separated value files.