To help prevent modification of data and to help protect confidential information, limit access to any Excel files that contain such information by storing them in locations available only to authorized users. With enough time, users can obtain and modify all the data in a workbook, as long as they have access to it. These features also help prevent other users from making accidental changes to data.Įxcel does not encrypt data that is hidden or locked in a workbook. You can use these features to present information more clearly by hiding data or formulas that might confuse some users. The features in Microsoft Excel that are related to hiding data and protecting worksheets and workbooks with passwords are not intended to be mechanisms for securing data or protecting confidential information in Excel. In addition, if you use Windows 2000, you can apply group-level passwords and user-level passwords to different ranges. This is a change from earlier versions of Excel, in which one password applies to the entire worksheet, which might have several protected ranges. In Microsoft Excel 2002 and in later versions of Excel, you can now use passwords to protect specific ranges in your worksheets. For more information about this change, read this blog post. Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise.
