# Change Text Case [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [User Guide](Help%20System/GSTARCAD/2026/User%20Guide/(User%20Guide).md) → [Express Tools](Help%20System/GSTARCAD/2026/User%20Guide/Express%20Tools/(Express%20Tools).md) → [Text Tools](Help%20System/GSTARCAD/2026/User%20Guide/Express%20Tools/Text%20Tools/(Text%20Tools).md) The TCASE command is used to change the case of selected text, mtext, attributes and dimension text. Command line prompts as follows : Select object: Use a selection method to select annotation objects Execute this command, start "TCASE - change text case" dialog box ,select an option.  --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/GUG_ET_TextTools/Change%20Text%20Case.html) · © Gstarsoft Co., Ltd.