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Navigation Pane

The column on the left side of the Outlook window that includes panes such as Shortcuts or Mail and the shortcuts or folders within each pane. Click a folder to show the items in the folder.

NetMeeting

Microsoft conferencing software that you can use to communicate by both audio and video, work as a group in Windows-based programs, exchange graphics on an electronic whiteboard, transfer files, or chat by text.

network domain name

A group of users in a network who share a common set of shared resources, such as server disk drives and printers. A large network may have several domains based upon the needs of each set of users.

network place

A folder on a network file server, Web server, or Microsoft Exchange 2000 server. Create a shortcut to a network place to work with files there. Some network places, such as document libraries, have features not available with local folders.

NLS files

National Language Support files. Files that extend the ability of the operating system to support multilingual features.

nonrepudiation

The inability of senders to deny responsibility for their e-mail message, and the inability of recipients to claim they never got the message. Both digital signatures and S/MIME receipts assist in nonrepudiation.

NTFS file system (NTFS)

Designed exclusively for use with the Windows NT operating system. NTFS helps to provide stronger security and more flexible file management methods than does FAT. See also file allocation table (FAT).