Microsoft Office Window Class Names
The following is a fairly comprehensive list of the window class names in use in Microsoft Office applications.
| Application | Class Name |
| Access 97 | OMain |
| Access 2000 | OMain |
| Access XP | OMain |
| Excel 97 | XLMAIN |
| Excel 2000 | XLMAIN |
| Excel XP | XLMAIN |
| FrontPage 2000 | FrontPageExplorerWindow40 |
| FrontPage XP | FrontPageExplorerWindow40 |
| Outlook 97 | rctrl_renwnd32 |
| Outlook 98 | rctrl_renwnd32 |
| Outlook 2000 | rctrl_renwnd32 |
| Outlook XP | rctrl_renwnd32 |
| PowerPoint 95 | PP7FrameClass |
| PowerPoint 97 | PP97FrameClass |
| PowerPoint 2000 | PP9FrameClass |
| PowerPoint XP | PP10FrameClass |
| Project 98 | JWinproj-WhimperMainClass |
| Project 2000 | JWinproj-WhimperMainClass |
| Visual Basic Editor | wndclass_desked_gsk |
| Word 97 | OpusApp |
| Word 2000 | OpusApp |
| Word XP | OpusApp |
| Userform 97 | ThunderXFrame |
| Userform 2000+ | ThunderDFrame |
