Undo: [Ctrl + Z] Redo: [Ctrl + Y] Cut: [Ctrl + X] Copy: [Ctrl + C] Paste: [Ctrl + V] Select All: [Ctrl + A]
Enter in Edit Mode: [F2] Undo: [Ctrl + Z]
A text file often has an extension .txt. It can be editted in such as NotePad. When you save the file, you can choose encoding. Be sure to select UTF-8 for the use in Isometry. Microsoft Word and other softwares also have a function to save a file in a text file.