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You can customize the user interaction with individual cells (or a range of cells). To customize this aspect of user interaction, you can perform the following tasks:
As with most spreadsheets, Spread does not allow in-cell editing of the cells in the row and column headers.
For more information about cells and sheet interactions, refer to the following topics:
| Description | Refer to | 
|---|---|
| For information on adding a formula to a cell | |
| For information on allowing a user to enter a formula in a cell | |
| For information on how to change the appearance of cells | |
| For information on setting the cell type | |
| For information about customizing focus indicators | 
Customizing Interaction in Cells
Customizing User Selection and Deselection of Data
Using Drag Operations to Fill Cells
Customizing Undo and Redo Actions
Customizing Interaction Based on Events