Texas Instruments TI-Nspire - Example - Copying Cells from an Excel Spreadsheet

Using Lists & Spreadsheet 241
If you have copied a range of cells, they will be pasted so that the
upper-left corner of the range is positioned at the selected cell. Any
data in those cells will be overwritten.
7. Click
Edit > Paste.
Example - copying cells from an Excel® spreadsheet
You can copy as many as 26 columns and 2500 rows from an Excel®
spreadsheet.
1. Open the Excel® spreadsheet.