Open ndOffice on your computer from your system tray as follows:
Next, click on the gear icon in the lower-left corner of the ndOffice panel:
Select "Settings" from the drop-down menu.
Update Service Region
In the "Network" tab, locate the "NetDocuments Service Region" section.
NetDocuments maintains several separate yet identical services located at different data centers - for the United States, United Kingdom, Germany, Canada, and Australia. Each service is accessed by different URLs.