While Google Docs is unquestionably brilliant, some Excel quackery is undoubtedly best viewed and manipulated in Excel. The same may go for some .docx files too.

Conceptual diagrams

Achieving quality 

Detail in WBS elements

Getting it done (WBS et al)

Simple requirements prioritisation

Stakeholder matrix (with bells and whistles)

Two important lines (defects introduced versus cost to resolve)


ACRID Template (Assumptions, Constraints etc...)

Earned value management bullseye chart

Highligh Report Template

Paired comparison

Product descriptions schema

Product handover log

Influence chimerogram

Quality Risk Analysis

Work Package Schema