Microsoft Office Tutorials and References
In Depth Information
Trusted publishers, locations, and documents
Figure 4-2 Security alerts and messages appear in the message bar.
Note
When you open a workbook with active content or other issues, any unresolved
messages or alerts that appear in the message bar also appear in the Info category when
you click the File tab.
Trusted publishers, locations, and documents
A publisher is a software developer, which can range in relative scale and trustworthiness
from a kid with a laptop to Microsoft. You might know the kid, and you might not trust
Microsoft. Whatever the case, you can apply your unique level of paranoia by adding or
deleting publishers and locations using the first two categories in the Trust Center dialog
box: Trusted Publishers and Trusted Locations. Excel populates the Trusted Publishers list
whenever you open a macro or add-in for the first time that triggers a security alert. If you
decide to enable the content, Excel adds the publisher to the list. Subsequent active
content from the same publisher opens without triggering a security alert.
Trusted locations can be folders on your own hard disk or on a network—the more precise,
the better. We recommend you designate trusted locations at the subfolder level—even
the default Documents folder (a.k.a. The Folder Formerly Known As My Documents) is too
broad, particularly if you work in a networked environment. It is better to designate
subfolders of Documents—or better yet, use folders outside the Documents folder entirely—to
minimize the ease with which others can locate interesting stuff on your computer to steal
or to modify. Several trusted locations are installed with Excel, such as subfolder locations
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