Removes personal information that Excel typically displays in comments and on the Summary tab of the Properties dialog box, ...

Removes personal information that Excel typically displays in comments and on the Summary tab of the Properties dialog box, such as the name you entered as your user name on the General pane. Excel removes this information when this workbook is saved. Excel never removes personal information from shared workbooks, even if you turn this option on.

Affects: only the active workbook.