Text Editors

By default, all files are edited using PowerDesigner's internal editor. To define external editors for editing various kinds of text, such as object descriptions and annotations or PDM SQL scripts or OOM Java files, select Tools > General Options, and click the Editors category in the left pane.

By default, all files are edited using PowerDesigner's internal editor. You can define an external text editor to launch automatically for editing various kinds of objects. You can define as many text editors as you need, and the same file extension can have several text editors allocated, with the first listed acting as the default.

Select Tools > General Options and click the Editors category in the left-hand pane.
Click the Insert a Row tool, and enter a file extension (such as .DOC, .RTF, .TXT, .XLS) in the Extension column.

The Editor Name and Editor Command columns are both set to <internal> to indicate that the internal PowerDesigner editor will be used to edit files with this extension.
[optional] Enter an editor name (such as MS Word, Notepad, MS Excel) in the Editor Name column, and enter an editor command (such as winword.exe) in the Editor Command column. You can click the ellipsis button in this field to browse to the relevant directory.
Click OK to close the dialog box.