Click Ok to confirm that you trust the document and want to open it.
The appropriate desktop Office app (Word in our case) will then open and download the new file.
input your Live ID that you used with Office Web Apps to continue.
By default, Protected View will prevent you from editing the document since it originated from an online location.
Click Enable Editing to edit your document as you need.
This works great in both Office 2010 and 2007, which is nice.
You may notice that your save icon now has arrows in the top right corner.
Note: Saving changes to a document may take somewhat longer than usual depending on your internet connection speed.
Now you’re free to save the file wherever you’d like on your desktop.
Problems You May EncounterIn our tests, we did discover a few problems with offline editing.
First, Office Web Apps only support IE, Firefox, and Safari.
You may encounter a similar problem if you use an alternate Office suite such as OpenOffice.org.
If you want to collaborate, you’ll have to work in the surfing app.