Microsoft offers a new update for handhelds and smartphones with Office Mobile 6. With the new version 6.1, you can even view and edit Open XML files for Office. Documents and spreadsheets can be edited using Word Mobile and Excel Mobile, whereas slideshows can only be viewed in PowerPoint Mobile. Other improvements are a better support for charts in Excel Mobile, support for SmartArt graphics in PowerPoint Mobile and support for compressed .zip files.
This update is for users of Office Mobile 6 and won’t work without it:
If don’t have Office Mobile yet, you need to buy the full version (Windows Mobile 6 only):
UPDATE: Microsoft has took off the download of its server again. There is no information why they did that and when they will put it on again.