Excel® 2013 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 App Catalog 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