Word processing software, also known as a word processor, is used to create, edit, format, save, and print documents that contain text and graphics.

Examples of word processing documents include letters, memos, reports, mailing labels, and newsletters.

Many word processing software is also capable of creating Web pages.

Popular features of word processing software include

Wordwrap Allows a user to type continually without pressing the Enter key at the end of each line.
Find and search Allows a user to locate all occurrences of a particular character, word, or phrase.
Replace Allows a user to substitute existing characters, words, or phrases with new ones.
Spelling checker Allows a user to check the spelling of a whole document at one time, or to check and even correct the spelling of individual words as they are typed (i.e., AutoCorrect).
Grammar checker Reports grammatical errors and suggests ways to correct them.
Thesaurus Suggests alternative words with same meaning (i.e., synonyms) for use in the document.
Mail merge Create form letters, mailing labels, and envelopes.
Automatic page numbering Numbers the pages automatically in a document.
Tables Allows a user to organize information into rows and columns.
Multi-columns Arranges text in two or more columns that look similar to a newspaper or magazine.
Macros Allows a user to record or save frequently used keystrokes and instructions, which can be executed later by running the corresponding macros.
Clip art gallery Allows a user to insert drawings, diagrams, and photographs into a document.
Mathematical formulae typesetting Allows a user to typeset complex mathematical formulae within the program.

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Popular word processing software includes Microsoft Word, Lotus WordPro, and Corel WordPerfect.

Advantages of word processing software over ordinary typewriter include

Easy and fast to make changes to the document.

Has many features to create documents that look professional and visually appealing.

Documents can normally be previewed before being printed.

Documents can be saved for future use and editing.

Convenient to create form letters and mailing labels.

Differences between operating a word processor and an ordinary typewriter include

A word processor prints the entire document at a time while an ordinary typewriter prints one character at a time.

A word processor automatically moves the cursor to the beginning of the next line when text extends beyond the right page margin while the user needs to advance the lever manually when using an ordinary typewriter.