Microsoft® Excel 2010 On Demand

12 Protecting and Securing a Workbook

What You’ll Do

Inspect Workbooks

Protect a Worksheet

Lock or Unlock Worksheet Cells

Add Password Protection to a Workbook

Add a Digital Signature

Add a Signature Line

Avoid Harmful Attacks

Use the Trust Center

Select Trusted Publishers and Locations

Set Document Related Security Options

Set Add-In, ActiveX and Macro Security Options

Change Message Bar Security Options

Set Privacy Options

Set External Content Security Options

Work with Office Safe Modes

Mark a Workbook as Read-Only

Introduction

When you’ve developed content in your workbook and want feedback, you can electronically send an Excel workbook to reviewers so that they can read, revise, and comment on the workbook without having to print it. Instead ...