# Change Text Case [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [User Guide](Help%20System/GSTARCAD/2022/User%20Guide/(User%20Guide).md) → [Express tool](Help%20System/GSTARCAD/2022/User%20Guide/Express%20tool/(Express%20tool).md) → [Text tools](Help%20System/GSTARCAD/2022/User%20Guide/Express%20tool/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.