# Import data

- [SQL connections](/import-data/sql-connections.md)
- [API requests](/import-data/api-requests.md)
- [Drag and drop .CSV](/import-data/drag-and-drop-.csv.md): Easily drag and drop your .CSV files into the spreadsheet.
- [Drag and drop .Parquet](/import-data/drag-and-drop-.parquet.md): Easily drag and drop your .Parquet files into the spreadsheet.
- [Import Excel files](/import-data/import-excel-files.md): Go from Excel files to Quadratic.