One of the tabs with
the most choices is the Security tab.

Here’s an overview
of this tab’s four sections:
|
File encryption
options |
Main dialog |
Enter a
password that will be required to open this document. |
|
|
Advanced
button |
Set
encryption options for your password. |
|
File sharing
options |
Main dialog |
Enter a
password that will be required to modify this document. You can
also recommend that users open this document in read-only mode. |
|
|
Digital
Signatures |
Sign
your document
with a digital signature to prove that it really came from you. |
|
|
Protect
Document |
Opens the
Protect Document task pane so you can restrict editing in
your document. |
|
Privacy Options |
Main dialog |
Use these
options to make sure personal or private information isn’t
included in
your documents. |
|
Macro Security |
Macro
Security |
Set macro
security levels for Word. |