Which software is commonly used for word processing tasks in business?

Microsoft Word is widely recognized as the standard software for word processing tasks in business settings. This application is designed specifically for creating, formatting, and editing text documents, making it ideal for drafting letters, reports, proposals, and other business communications. Its features include spell check, grammar check, templates, and formatting tools, all of which enhance productivity and ensure professional results.

The other options do not serve the primary function of word processing. Adobe Photoshop is primarily an image editing software, focused on graphic design rather than text processing. Microsoft Excel is a spreadsheet application used for organizing, analyzing, and managing data but does not have the same capabilities for document creation as Word. QuickBooks is an accounting software used for financial management and bookkeeping tasks, which is distinct from the functions of word processing.