A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
Please try these steps:
- In PowerPoint, please choose Office button>PowerPoint Options>Popular.
- Click on the Language Settings... button.
- Check that the Primary editing language is set to something other than Japanese.
- In Windows, make sure your Language and Keyboard are both set to the same language as your Primary editing language. You should be able to switch this on the Taskbar.
- Reopen the presentation, the yen symbols should be backslashes.
Please post again if you need further help.