NotebookAutoSave

is a notebook option that specifies whether the notebook should automatically be saved after each piece of output generated by evaluation in it.

Examples

Create a notebook with NotebookAutoSave->True and save it to a file:

Check the time of creation of the notebook file:

When you evaluate an input, the notebook is automatically resaved:

This shows the newer modification time of the file:

Close the notebook and delete the temporary file:

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