Text file that defines the structure of a dBASE database; contains a list of all objects that can be included in the database file; includes the number, names, and widths of each field in the database.

STR files can be used by dBASE to create printed archive index tables or to document the structure of each table.

Strings file used by WPS Office (previously known as Kingsoft Office), an office suite which includes the Writer, Spreadsheets, and Presentation applications; contains information used to configure the app's interface, which includes the placement and appearance of shapes, panes, and borders; also defines the appearance of text that appears in the window titles, buttons, menu texts, and other interface elements.

NOTE: The STR file is located in the following directory: /Kingsoft/WPS Office/office[version]/mui/default/tips

Movie file format used by PlayStation video games; commonly used for storing Full Motion Video (FMV) clips; can be ripped from a PlayStation disc and played on a computer using a supporting video player.

Screensaver used by Windows computers; contains animations, pictures, text, or moving patterns that fill the screen when the computer has been idle for a specific amount of time; can be selected within the Displays control panel.

Most screensavers have a .SCR extension.

Object string file used by X-Plane, a professional flight simulator; contains data that defines the placement of objects in the simulator.

The STR file uses the standard X-Plane format, which consists of a header and commands that define different aspects of the objects and their placement on the line. The STR format uses object strings, which are objects placed along a bezier curve. The file is designed to place objects in the X-Plane simulator but is primarily used to build airport taxiway lights.