I\'ve got a little C# application that interops with word converting a bunch of word .doc files into textfiles and for the most part this works fine.
However, if the
Depending on the nature of your application, if it's a server side application without UI interaction, using Office automation may have issues. (see link here: http://support.microsoft.com/kb/257757)
If it's Office 2007+, the best way is to use OpenXML. If it's older files, then some 3rd party tools may be used, for example, aspose API