NGWS SDK Documentation  

This is preliminary documentation and subject to change.
To comment on this topic, please send us email at ngwssdk@microsoft.com. Thanks!

Invalid file format (Error 321)

Disk files often have data stored in proprietary formats. This error has the following cause and solution:

For additional information, select the item in question and press F1 (in Windows) or HELP (on the Macintosh).