Official Supplier
As official and authorized distributors, we supply you with legitimate licenses directly from 200+ software publishers.
See all our Brands.

Cell comments and tooltips in spreadsheets allow users to attach contextual information to individual cells, displayed on hover or focus without altering the sheet’s layout. They help clarify data, explain formulas and assumptions, and provide guidance for correct data entry, reducing errors and misinterpretation. By keeping explanations close to the data, comments and tooltips improve collaboration, preserve knowledge, and make complex spreadsheets easier to understand and maintain. Common use cases include documenting calculation logic, adding validation instructions, leaving reviewer feedback, explaining exceptions in reports, and supporting onboarding for new users working with shared spreadsheets.
Several .NET Spreadsheet controls offer cell comments/tooltips including:
For an in-depth analysis of features and price, visit our .NET Spreadsheet controls comparison.