Each websites, Office 365 solution, and enhancement project has it’s own roadmap specific to the project requirements. Each organization has it’s preferred methods. The most important ingredients include:

• an agreed upon process
• mockups
• site maps |
• content inventory

The most important factor is engagement:

• Identifying stakeholder(s) for requirements, review, and approval
• Determining what capabilities, features, and functions are required
• Defining use cases for training and ensuring quality for your users