U

Undo button, 26

undoing, 26

Unicode character sets, defined, 338

Unified Messaging, 284

Uniform Resource Locators (URLs), 338

units of measurement, 304

Unread Mail folder, 160

unread messages

appearance of, 115, 153

cursor changing to indicate, 329

displaying only, 155

marking messages as, 152

updating

meetings, 190

RSS feeds, 246

Search Folders, 160

tasks, liii, liv, 237

URLs (Uniform Resource Locators), 338

USE paragraphs, xxiv

Usenet. See newsgroups

user environment, 30

user folder access, lvi, 262

user input in exercises, formatting of, xxiv

user name

replacing with display name, xli, 9, 82

setting, 302