These days, you are likely to find that many of Microsoft's significant new release – like Windows, Office and Windows Server – will come with enhanced deployment and planning tools.
For Office 2010, there's free "Office Environment Assessment Tool," which helps you to find out what applications you've installed, what add-ins are used in Office (including the ones which interact with Office but aren't registered as add-ins). It scans your environment, and then produces a pair of nice reports.
There's three steps to use this toolkit to get ready for Office 2010:
Application Compatibility Overview. The application compatibility guidance and tools provide a way for Information Workers, IT Professionals and Developers to assess both desktop environment and their code for add-in compatibility. This video introduces OEAT and how to use it to assess your enterprise environment:
- Download OEAT
- OEAT User Guide
- For detail for a planned deployment then read detailed Application compatibility assessment and remediation guide for Office 2010