TEXTFIT, is an AutoCAD express tools command that stretches or shrink text objects, by selecting a new start and end points for text. This command should be best use in a situation like, fitting a room label in an enclosed border by setting a new text width.

Text Fit, can be found under the Express pulldown menu, under the Text. Or alternatively at the command prompt, type-in, TEXTFIT.

Command: TEXTFIT
Select Text to stretch or shrink: Use an object selection method
Specify end point or [Start point]: Specify a new end point, or enter S to specify a new start point
Pick new starting point: Specify a new start point
ending point: Specify a new endpoint