Google Spreadsheets lets you delete entire rows and columns or clear the contents of individual cells. To delete a row or column, follow these steps:
Google Spreadsheets doesn't let you delete a cell per se, only clear its contents.
To clear the contents of an individual cell or range of cells, follow these steps:
The contents of the selected cell(s) are now deletedeven though the cells themselves remain.
If you accidentally delete data you want to keep, don't panic! Google Spreadsheets includes an Undo option that lets you unwind your last command. All you have to do is click the Undo button at the top right of the workspace. Presto! You've undone your last delete and your data is back where it belongs.