In addition to Mark's suggestion, you can select all the text, then
right-click and select properties. From the properties window, you can
globally change the text heights, or anything else. This assumes that you
are using AutoCAD 2000+.
Daniel J. Altamura, R.A.
Altamura Architectural Consulting
Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here.
All logos and trade names are the property of their respective owners.