Automatic hyphenation inserts optional hyphens. An optional hyphen is a hyphen that Word uses only when a word or a phrase appears at the end of a line. If the word or phrase moves to a different position because of editing, the optional hyphen is removed.

Sometimes you need to see a word count statistics without obtaining readability or AutoSummarize information. For example, you might have been given a limit on how many words a document can be for a particular assignment - magazines and newspapers commonly set this type of limit.

Word can automatically summarize key points in documents, enabling you to create brief versions of documents that readers can quickly scan. You'll find that AutoSummarize works best on structured documents such as reports, white papers, technical documents, articles, and so forth. AutoSummarize does not work especially well for fiction, correspondence, and other more loosely structured documents.

Use the AutoCaption feature if you want to add captions to all items of a particular type automatically.

You can easily view two Word documents using View Side by Side feature. Synchronous scrolling makes it extremely convenient.

In addition to searching for and replacing text, you can search for and replace Word's special characters, such as paragraph and tab marks.

This tip contains Shortcut Keys for formatting.

Although the Find And Replace dialog box doesn't directly support replacing text with graphics or objects, you can easily perform this action using the Clipboard and the ^c wildcard.

Sometimes you need to skip parts of the document during a spell check. E.g., memos and letters can have headings and address blocks with names and other text that slow down the spell checker. Blocks of programming code or foreign words should not be checked for spelling too.
Also you may need to quote words and phrases with mistakes.

In some cases you want to show in your Word document the number or amount in words. You can use macros, but Word proposes easy and simple way by using fields.