Tristan updated the Office Add-ins Known Issues Documentation in the OfficeDev/office-js-docs-pr repository, focusing on consolidating active and resolved issues for Outlook and Excel add-ins. Using Markdown and technical writing skills, Tristan enhanced the documentation with detailed descriptions, status updates, and practical workarounds, ensuring the article reflected the most recent update date and maintained alignment with the issue tracker. This work improved traceability by linking specific commits and repository ownership, resulting in more actionable guidance for developers. The update reduced support triage and onboarding time by delivering clear, accurate knowledge, demonstrating disciplined documentation practices and attention to operational efficiency.