Microsoft Office Tutorials and References
In Depth Information
Macro Security
A macro is a sequence of program commands that have been recorded and saved and can be
executed with a single command. Outlook has its own macro capabilities, as is covered in Chapter 22.
More germane to the topic of security, however, are the macros in programs such as Microsoft Word
and Excel. Such macros are part of the document file and as such will be included when the file is
sent as an email attachment. A malicious macro can be set to execute automatically when the file is
opened, and has the potential to wreak havoc on your system and data files. Such viruses are called
macro viruses .
Anti-virus programs catch most macro viruses, and the precaution of not opening attachments
from unknown sources is another layer of protection. The final layer of protection against macro
viruses is the macro security level in your programs.
Macro security applies to all Office programs, and it is set in the Trust Center. The Trust Center is an
Office component, not specifically part of Outlook or any other any program. On Outlook, you
access the Trust Center by selecting Trust Center from the Tools menu. Then, in the list on the left,
click Macro Security. The Macro Security screen is shown in Figure 20.1.
Setting macro security in the Trust Center.
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